diff --git a/substrate/Cargo.lock b/substrate/Cargo.lock
index d7c5ac6f29..fe67e1bec2 100644
--- a/substrate/Cargo.lock
+++ b/substrate/Cargo.lock
@@ -511,12 +511,6 @@ dependencies = [
  "rand 0.8.5",
 ]
 
-[[package]]
-name = "array-bytes"
-version = "4.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f52f63c5c1316a16a4b35eaac8b76a98248961a533f061684cb2a7cb0eafb6c6"
-
 [[package]]
 name = "array-bytes"
 version = "6.1.0"
@@ -822,7 +816,7 @@ dependencies = [
 name = "binary-merkle-tree"
 version = "4.0.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "env_logger 0.9.3",
  "hash-db",
  "log",
@@ -1234,13 +1228,13 @@ dependencies = [
 
 [[package]]
 name = "cid"
-version = "0.8.6"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6ed9c8b2d17acb8110c46f1da5bf4a696d745e1474a16db0cd2b49cd0249bf2"
+checksum = "b9b68e3193982cd54187d71afdb2a271ad4cf8af157858e9cb911b91321de143"
 dependencies = [
  "core2",
  "multibase",
- "multihash 0.16.3",
+ "multihash",
  "serde",
  "unsigned-varint",
 ]
@@ -2613,7 +2607,7 @@ checksum = "6c2141d6d6c8512188a7891b4b01590a45f6dac67afb4f255c4124dbb86d4eaa"
 name = "frame-benchmarking"
 version = "4.0.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "frame-support",
  "frame-support-procedural",
  "frame-system",
@@ -2641,7 +2635,7 @@ name = "frame-benchmarking-cli"
 version = "4.0.0-dev"
 dependencies = [
  "Inflector",
- "array-bytes 4.2.0",
+ "array-bytes",
  "chrono",
  "clap 4.3.2",
  "comfy-table",
@@ -2752,7 +2746,7 @@ dependencies = [
 name = "frame-executive"
 version = "4.0.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "frame-support",
  "frame-system",
  "frame-try-runtime",
@@ -2808,7 +2802,7 @@ dependencies = [
 name = "frame-support"
 version = "4.0.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "assert_matches",
  "bitflags",
  "environmental",
@@ -4298,7 +4292,7 @@ dependencies = [
  "libp2p-identity",
  "log",
  "multiaddr",
- "multihash 0.17.0",
+ "multihash",
  "multistream-select",
  "once_cell",
  "parking_lot 0.12.1",
@@ -4358,7 +4352,7 @@ dependencies = [
  "ed25519-dalek",
  "log",
  "multiaddr",
- "multihash 0.17.0",
+ "multihash",
  "quick-protobuf",
  "rand 0.8.5",
  "sha2 0.10.6",
@@ -4605,7 +4599,7 @@ dependencies = [
  "libp2p-identity",
  "libp2p-noise",
  "log",
- "multihash 0.17.0",
+ "multihash",
  "quick-protobuf",
  "quick-protobuf-codec",
  "rand 0.8.5",
@@ -5137,7 +5131,7 @@ dependencies = [
  "data-encoding",
  "log",
  "multibase",
- "multihash 0.17.0",
+ "multihash",
  "percent-encoding",
  "serde",
  "static_assertions",
@@ -5158,9 +5152,9 @@ dependencies = [
 
 [[package]]
 name = "multihash"
-version = "0.16.3"
+version = "0.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1c346cf9999c631f002d8f977c4eaeaa0e6386f16007202308d0b3757522c2cc"
+checksum = "835d6ff01d610179fbce3de1694d007e500bf33a7f29689838941d6bf783ae40"
 dependencies = [
  "blake2b_simd",
  "blake2s_simd",
@@ -5173,19 +5167,6 @@ dependencies = [
  "unsigned-varint",
 ]
 
-[[package]]
-name = "multihash"
-version = "0.17.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "835d6ff01d610179fbce3de1694d007e500bf33a7f29689838941d6bf783ae40"
-dependencies = [
- "core2",
- "digest 0.10.7",
- "multihash-derive",
- "sha2 0.10.6",
- "unsigned-varint",
-]
-
 [[package]]
 name = "multihash-derive"
 version = "0.8.1"
@@ -5352,7 +5333,7 @@ dependencies = [
 name = "node-bench"
 version = "0.9.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "clap 4.3.2",
  "derive_more",
  "fs_extra",
@@ -5388,7 +5369,7 @@ dependencies = [
 name = "node-cli"
 version = "3.0.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "assert_cmd",
  "clap 4.3.2",
  "clap_complete",
@@ -5954,7 +5935,7 @@ dependencies = [
 name = "pallet-alliance"
 version = "4.0.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "frame-benchmarking",
  "frame-support",
  "frame-system",
@@ -6251,7 +6232,7 @@ dependencies = [
 name = "pallet-beefy-mmr"
 version = "4.0.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "binary-merkle-tree",
  "frame-support",
  "frame-system",
@@ -6328,7 +6309,7 @@ dependencies = [
 name = "pallet-contracts"
 version = "4.0.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "assert_matches",
  "bitflags",
  "env_logger 0.9.3",
@@ -6831,7 +6812,7 @@ dependencies = [
 name = "pallet-mmr"
 version = "4.0.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "env_logger 0.9.3",
  "frame-benchmarking",
  "frame-support",
@@ -7563,7 +7544,7 @@ dependencies = [
 name = "pallet-transaction-storage"
 version = "4.0.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "frame-benchmarking",
  "frame-support",
  "frame-system",
@@ -8956,7 +8937,7 @@ dependencies = [
  "ip_network",
  "libp2p",
  "log",
- "multihash 0.17.0",
+ "multihash",
  "parity-scale-codec",
  "prost",
  "prost-build",
@@ -9049,7 +9030,7 @@ dependencies = [
 name = "sc-cli"
 version = "0.10.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "chrono",
  "clap 4.3.2",
  "fdlimit",
@@ -9119,7 +9100,7 @@ dependencies = [
 name = "sc-client-db"
 version = "0.10.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "criterion",
  "hash-db",
  "kitchensink-runtime",
@@ -9285,7 +9266,7 @@ dependencies = [
 name = "sc-consensus-beefy"
 version = "4.0.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "async-channel",
  "async-trait",
  "fnv",
@@ -9361,7 +9342,7 @@ name = "sc-consensus-grandpa"
 version = "0.10.0-dev"
 dependencies = [
  "ahash 0.8.3",
- "array-bytes 4.2.0",
+ "array-bytes",
  "assert_matches",
  "async-trait",
  "dyn-clone",
@@ -9515,7 +9496,7 @@ dependencies = [
 name = "sc-executor"
 version = "0.10.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "assert_matches",
  "criterion",
  "env_logger 0.9.3",
@@ -9602,7 +9583,7 @@ dependencies = [
 name = "sc-keystore"
 version = "4.0.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "parking_lot 0.12.1",
  "serde_json",
  "sp-application-crypto",
@@ -9616,7 +9597,7 @@ dependencies = [
 name = "sc-network"
 version = "0.10.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "assert_matches",
  "async-channel",
  "async-trait",
@@ -9731,7 +9712,7 @@ dependencies = [
 name = "sc-network-light"
 version = "0.10.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "async-channel",
  "futures",
  "libp2p-identity",
@@ -9751,7 +9732,7 @@ dependencies = [
 name = "sc-network-statement"
 version = "0.10.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "async-channel",
  "futures",
  "libp2p",
@@ -9768,7 +9749,7 @@ dependencies = [
 name = "sc-network-sync"
 version = "0.10.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "async-channel",
  "async-trait",
  "fork-tree",
@@ -9837,7 +9818,7 @@ dependencies = [
 name = "sc-network-transactions"
 version = "0.10.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "futures",
  "libp2p",
  "log",
@@ -9854,7 +9835,7 @@ dependencies = [
 name = "sc-offchain"
 version = "4.0.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "bytes",
  "fnv",
  "futures",
@@ -9969,7 +9950,7 @@ dependencies = [
 name = "sc-rpc-spec-v2"
 version = "0.10.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "assert_matches",
  "futures",
  "futures-util",
@@ -10082,7 +10063,7 @@ dependencies = [
 name = "sc-service-test"
 version = "2.0.0"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "async-channel",
  "fdlimit",
  "futures",
@@ -10254,7 +10235,7 @@ dependencies = [
 name = "sc-transaction-pool"
 version = "4.0.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "assert_matches",
  "async-trait",
  "criterion",
@@ -10342,11 +10323,11 @@ dependencies = [
 
 [[package]]
 name = "schannel"
-version = "0.1.21"
+version = "0.1.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "713cfb06c7059f3588fb8044c0fad1d09e3c01d225e25b9220dbfdcf16dbb1b3"
+checksum = "0c3733bf4cf7ea0880754e19cb5a462007c4a8c1914bff372ccc95b464f1df88"
 dependencies = [
- "windows-sys 0.42.0",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -11071,7 +11052,7 @@ dependencies = [
 name = "sp-consensus-beefy"
 version = "4.0.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "lazy_static",
  "parity-scale-codec",
  "scale-info",
@@ -11130,7 +11111,7 @@ dependencies = [
 name = "sp-core"
 version = "21.0.0"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "bitflags",
  "blake2",
  "bounded-collections",
@@ -11342,7 +11323,7 @@ dependencies = [
 name = "sp-mmr-primitives"
 version = "4.0.0-dev"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "ckb-merkle-mountain-range",
  "log",
  "parity-scale-codec",
@@ -11538,7 +11519,7 @@ dependencies = [
 name = "sp-state-machine"
 version = "0.28.0"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "assert_matches",
  "hash-db",
  "log",
@@ -11653,7 +11634,7 @@ name = "sp-trie"
 version = "22.0.0"
 dependencies = [
  "ahash 0.8.3",
- "array-bytes 4.2.0",
+ "array-bytes",
  "criterion",
  "hash-db",
  "hashbrown 0.13.2",
@@ -12010,7 +11991,7 @@ dependencies = [
 name = "substrate-test-client"
 version = "2.0.1"
 dependencies = [
- "array-bytes 4.2.0",
+ "array-bytes",
  "async-trait",
  "futures",
  "parity-scale-codec",
@@ -12035,7 +12016,7 @@ dependencies = [
 name = "substrate-test-runtime"
 version = "2.0.0"
 dependencies = [
- "array-bytes 6.1.0",
+ "array-bytes",
  "frame-executive",
  "frame-support",
  "frame-system",
@@ -12250,15 +12231,16 @@ checksum = "fd1ba337640d60c3e96bc6f0638a939b9c9a7f2c316a1598c279828b3d1dc8c5"
 
 [[package]]
 name = "tempfile"
-version = "3.5.0"
+version = "3.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9fbec84f381d5795b08656e4912bec604d162bff9291d6189a78f4c8ab87998"
+checksum = "31c0432476357e58790aaa47a8efb0c5138f137343f3b5f23bd36a27e3b0a6d6"
 dependencies = [
+ "autocfg",
  "cfg-if",
  "fastrand",
  "redox_syscall 0.3.5",
  "rustix 0.37.19",
- "windows-sys 0.45.0",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -13888,21 +13870,6 @@ dependencies = [
  "windows-targets 0.48.0",
 ]
 
-[[package]]
-name = "windows-sys"
-version = "0.42.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"
-dependencies = [
- "windows_aarch64_gnullvm 0.42.2",
- "windows_aarch64_msvc 0.42.2",
- "windows_i686_gnu 0.42.2",
- "windows_i686_msvc 0.42.2",
- "windows_x86_64_gnu 0.42.2",
- "windows_x86_64_gnullvm 0.42.2",
- "windows_x86_64_msvc 0.42.2",
-]
-
 [[package]]
 name = "windows-sys"
 version = "0.45.0"
diff --git a/substrate/bin/node/bench/Cargo.toml b/substrate/bin/node/bench/Cargo.toml
index 22f5b88420..7703f8ed2e 100644
--- a/substrate/bin/node/bench/Cargo.toml
+++ b/substrate/bin/node/bench/Cargo.toml
@@ -12,7 +12,7 @@ publish = false
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 clap = { version = "4.2.5", features = ["derive"] }
 log = "0.4.17"
 node-primitives = { version = "2.0.0", path = "../primitives" }
diff --git a/substrate/bin/node/cli/Cargo.toml b/substrate/bin/node/cli/Cargo.toml
index d6566dec8a..d9b3ebee99 100644
--- a/substrate/bin/node/cli/Cargo.toml
+++ b/substrate/bin/node/cli/Cargo.toml
@@ -35,7 +35,7 @@ crate-type = ["cdylib", "rlib"]
 
 [dependencies]
 # third-party dependencies
-array-bytes = "4.1"
+array-bytes = "6.1"
 clap = { version = "4.2.5", features = ["derive"], optional = true }
 codec = { package = "parity-scale-codec", version = "3.6.1" }
 serde = { version = "1.0.163", features = ["derive"] }
diff --git a/substrate/client/cli/Cargo.toml b/substrate/client/cli/Cargo.toml
index 562720f31b..61750766fa 100644
--- a/substrate/client/cli/Cargo.toml
+++ b/substrate/client/cli/Cargo.toml
@@ -13,7 +13,7 @@ readme = "README.md"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 chrono = "0.4.10"
 clap = { version = "4.2.5", features = ["derive", "string"] }
 fdlimit = "0.2.1"
diff --git a/substrate/client/cli/src/commands/generate_node_key.rs b/substrate/client/cli/src/commands/generate_node_key.rs
index c3579f7dc8..43851dc1af 100644
--- a/substrate/client/cli/src/commands/generate_node_key.rs
+++ b/substrate/client/cli/src/commands/generate_node_key.rs
@@ -55,7 +55,7 @@ impl GenerateNodeKeyCmd {
 		let file_data = if self.bin {
 			secret.as_ref().to_owned()
 		} else {
-			array_bytes::bytes2hex("", secret.as_ref()).into_bytes()
+			array_bytes::bytes2hex("", secret).into_bytes()
 		};
 
 		match &self.file {
diff --git a/substrate/client/consensus/beefy/Cargo.toml b/substrate/client/consensus/beefy/Cargo.toml
index b4963684d4..aec605c6bf 100644
--- a/substrate/client/consensus/beefy/Cargo.toml
+++ b/substrate/client/consensus/beefy/Cargo.toml
@@ -9,7 +9,7 @@ description = "BEEFY Client gadget for substrate"
 homepage = "https://substrate.io"
 
 [dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 async-channel = "1.8.0"
 async-trait = "0.1.57"
 codec = { package = "parity-scale-codec", version = "3.6.1", features = ["derive"] }
diff --git a/substrate/client/consensus/beefy/src/communication/mod.rs b/substrate/client/consensus/beefy/src/communication/mod.rs
index 0de67f6062..7f9535bfc2 100644
--- a/substrate/client/consensus/beefy/src/communication/mod.rs
+++ b/substrate/client/consensus/beefy/src/communication/mod.rs
@@ -117,7 +117,7 @@ mod tests {
 		use beefy_protocol_name::{gossip_protocol_name, justifications_protocol_name};
 		// Create protocol name using random genesis hash.
 		let genesis_hash = H256::random();
-		let genesis_hex = array_bytes::bytes2hex("", genesis_hash.as_ref());
+		let genesis_hex = array_bytes::bytes2hex("", genesis_hash);
 
 		let expected_gossip_name = format!("/{}/beefy/2", genesis_hex);
 		let gossip_proto_name = gossip_protocol_name(&genesis_hash, None);
diff --git a/substrate/client/consensus/grandpa/Cargo.toml b/substrate/client/consensus/grandpa/Cargo.toml
index ad4ff9db33..13b472dc70 100644
--- a/substrate/client/consensus/grandpa/Cargo.toml
+++ b/substrate/client/consensus/grandpa/Cargo.toml
@@ -15,7 +15,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 ahash = "0.8.2"
-array-bytes = "4.1"
+array-bytes = "6.1"
 async-trait = "0.1.57"
 dyn-clone = "1.0"
 finality-grandpa = { version = "0.16.2", features = ["derive-codec"] }
diff --git a/substrate/client/consensus/grandpa/src/communication/tests.rs b/substrate/client/consensus/grandpa/src/communication/tests.rs
index eb88382989..eee9fddcea 100644
--- a/substrate/client/consensus/grandpa/src/communication/tests.rs
+++ b/substrate/client/consensus/grandpa/src/communication/tests.rs
@@ -669,7 +669,7 @@ fn grandpa_protocol_name() {
 
 	// Create protocol name using random genesis hash.
 	let genesis_hash = sp_core::H256::random();
-	let expected = format!("/{}/grandpa/1", array_bytes::bytes2hex("", genesis_hash.as_ref()));
+	let expected = format!("/{}/grandpa/1", array_bytes::bytes2hex("", genesis_hash));
 	let proto_name = grandpa_protocol_name::standard_name(&genesis_hash, &chain_spec);
 	assert_eq!(proto_name.to_string(), expected);
 
diff --git a/substrate/client/db/Cargo.toml b/substrate/client/db/Cargo.toml
index 0b421e6c67..a038cf802a 100644
--- a/substrate/client/db/Cargo.toml
+++ b/substrate/client/db/Cargo.toml
@@ -44,7 +44,7 @@ quickcheck = { version = "1.0.3", default-features = false }
 kitchensink-runtime = { path = "../../bin/node/runtime" }
 sp-tracing = { version = "10.0.0", path = "../../primitives/tracing" }
 substrate-test-runtime-client = { version = "2.0.0", path = "../../test-utils/runtime/client" }
-array-bytes = "4.1"
+array-bytes = "6.1"
 
 [features]
 default = []
diff --git a/substrate/client/executor/Cargo.toml b/substrate/client/executor/Cargo.toml
index a3450fbb2a..790dd5a984 100644
--- a/substrate/client/executor/Cargo.toml
+++ b/substrate/client/executor/Cargo.toml
@@ -32,7 +32,7 @@ sp-version = { version = "22.0.0", path = "../../primitives/version" }
 sp-wasm-interface = { version = "14.0.0", path = "../../primitives/wasm-interface" }
 
 [dev-dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 assert_matches = "1.3.0"
 wat = "1.0"
 sc-runtime-test = { version = "2.0.0", path = "runtime-test" }
diff --git a/substrate/client/keystore/Cargo.toml b/substrate/client/keystore/Cargo.toml
index aa1527a4f6..0ecdb89619 100644
--- a/substrate/client/keystore/Cargo.toml
+++ b/substrate/client/keystore/Cargo.toml
@@ -14,7 +14,7 @@ readme = "README.md"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 parking_lot = "0.12.1"
 serde_json = "1.0.85"
 thiserror = "1.0"
diff --git a/substrate/client/network/Cargo.toml b/substrate/client/network/Cargo.toml
index 5d20570fdb..786aa68d80 100644
--- a/substrate/client/network/Cargo.toml
+++ b/substrate/client/network/Cargo.toml
@@ -14,7 +14,7 @@ readme = "README.md"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 async-channel = "1.8.0"
 async-trait = "0.1"
 asynchronous-codec = "0.6"
diff --git a/substrate/client/network/bitswap/Cargo.toml b/substrate/client/network/bitswap/Cargo.toml
index 4a3a03f0ab..bdc9e18f74 100644
--- a/substrate/client/network/bitswap/Cargo.toml
+++ b/substrate/client/network/bitswap/Cargo.toml
@@ -17,7 +17,7 @@ prost-build = "0.11"
 
 [dependencies]
 async-channel = "1.8.0"
-cid = "0.8.6"
+cid = "0.9.0"
 futures = "0.3.21"
 libp2p-identity = { version = "0.1.2", features = ["peerid"] }
 log = "0.4.17"
diff --git a/substrate/client/network/light/Cargo.toml b/substrate/client/network/light/Cargo.toml
index 1851819f9c..8bdb640d55 100644
--- a/substrate/client/network/light/Cargo.toml
+++ b/substrate/client/network/light/Cargo.toml
@@ -17,7 +17,7 @@ prost-build = "0.11"
 
 [dependencies]
 async-channel = "1.8.0"
-array-bytes = "4.1"
+array-bytes = "6.1"
 codec = { package = "parity-scale-codec", version = "3.6.1", features = [
     "derive",
 ] }
diff --git a/substrate/client/network/statement/Cargo.toml b/substrate/client/network/statement/Cargo.toml
index 42bfd57463..63377710dc 100644
--- a/substrate/client/network/statement/Cargo.toml
+++ b/substrate/client/network/statement/Cargo.toml
@@ -13,7 +13,7 @@ documentation = "https://docs.rs/sc-network-statement"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 async-channel = "1.8.0"
 codec = { package = "parity-scale-codec", version = "3.6.1", features = ["derive"] }
 futures = "0.3.21"
diff --git a/substrate/client/network/sync/Cargo.toml b/substrate/client/network/sync/Cargo.toml
index a6ff1561bd..5afc92265e 100644
--- a/substrate/client/network/sync/Cargo.toml
+++ b/substrate/client/network/sync/Cargo.toml
@@ -16,7 +16,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 prost-build = "0.11"
 
 [dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 async-channel = "1.8.0"
 async-trait = "0.1.58"
 codec = { package = "parity-scale-codec", version = "3.6.1", features = ["derive"] }
diff --git a/substrate/client/network/transactions/Cargo.toml b/substrate/client/network/transactions/Cargo.toml
index e568105fa0..ce62c89e8a 100644
--- a/substrate/client/network/transactions/Cargo.toml
+++ b/substrate/client/network/transactions/Cargo.toml
@@ -13,7 +13,7 @@ documentation = "https://docs.rs/sc-network-transactions"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 codec = { package = "parity-scale-codec", version = "3.6.1", features = ["derive"] }
 futures = "0.3.21"
 libp2p = "0.51.3"
diff --git a/substrate/client/offchain/Cargo.toml b/substrate/client/offchain/Cargo.toml
index 3b17fedfb7..42504ec590 100644
--- a/substrate/client/offchain/Cargo.toml
+++ b/substrate/client/offchain/Cargo.toml
@@ -13,7 +13,7 @@ readme = "README.md"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 bytes = "1.1"
 codec = { package = "parity-scale-codec", version = "3.6.1", features = ["derive"] }
 fnv = "1.0.6"
diff --git a/substrate/client/rpc-spec-v2/Cargo.toml b/substrate/client/rpc-spec-v2/Cargo.toml
index 59abeefcf2..c691b7b05f 100644
--- a/substrate/client/rpc-spec-v2/Cargo.toml
+++ b/substrate/client/rpc-spec-v2/Cargo.toml
@@ -31,7 +31,7 @@ hex = "0.4"
 futures = "0.3.21"
 parking_lot = "0.12.1"
 tokio-stream = { version = "0.1", features = ["sync"] }
-array-bytes = "4.1"
+array-bytes = "6.1"
 log = "0.4.17"
 futures-util = { version = "0.3.19", default-features = false }
 
diff --git a/substrate/client/service/test/Cargo.toml b/substrate/client/service/test/Cargo.toml
index 151a6589c5..dea7bfaa5b 100644
--- a/substrate/client/service/test/Cargo.toml
+++ b/substrate/client/service/test/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 async-channel = "1.8.0"
-array-bytes = "4.1"
+array-bytes = "6.1"
 fdlimit = "0.2.1"
 futures = "0.3.21"
 log = "0.4.17"
diff --git a/substrate/client/transaction-pool/Cargo.toml b/substrate/client/transaction-pool/Cargo.toml
index 6f02b1cbad..1718751e6d 100644
--- a/substrate/client/transaction-pool/Cargo.toml
+++ b/substrate/client/transaction-pool/Cargo.toml
@@ -34,7 +34,7 @@ sp-tracing = { version = "10.0.0", path = "../../primitives/tracing" }
 sp-transaction-pool = { version = "4.0.0-dev", path = "../../primitives/transaction-pool" }
 
 [dev-dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 assert_matches = "1.3.0"
 criterion = "0.4.0"
 sc-block-builder = { version = "0.10.0-dev", path = "../block-builder" }
diff --git a/substrate/frame/alliance/Cargo.toml b/substrate/frame/alliance/Cargo.toml
index 6913aa711c..b411df760f 100644
--- a/substrate/frame/alliance/Cargo.toml
+++ b/substrate/frame/alliance/Cargo.toml
@@ -13,7 +13,7 @@ readme = "README.md"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-array-bytes = { version = "4.1", optional = true }
+array-bytes = { version = "6.1", optional = true }
 log = { version = "0.4.14", default-features = false }
 
 codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false, features = ["derive"] }
@@ -33,7 +33,7 @@ pallet-identity = { version = "4.0.0-dev", path = "../identity", default-feature
 pallet-collective = { version = "4.0.0-dev", path = "../collective", default-features = false, optional = true }
 
 [dev-dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 sp-core-hashing = { version = "9.0.0", default-features = false, path = "../../primitives/core/hashing" }
 pallet-balances = { version = "4.0.0-dev", path = "../balances" }
 pallet-collective = { version = "4.0.0-dev", path = "../collective" }
diff --git a/substrate/frame/beefy-mmr/Cargo.toml b/substrate/frame/beefy-mmr/Cargo.toml
index 0eb0cdd995..fb6846efc2 100644
--- a/substrate/frame/beefy-mmr/Cargo.toml
+++ b/substrate/frame/beefy-mmr/Cargo.toml
@@ -9,7 +9,7 @@ repository = "https://github.com/paritytech/substrate"
 homepage = "https://substrate.io"
 
 [dependencies]
-array-bytes = { version = "4.1", optional = true }
+array-bytes = { version = "6.1", optional = true }
 codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false, features = ["derive"] }
 log = { version = "0.4.17", default-features = false }
 scale-info = { version = "2.5.0", default-features = false, features = ["derive"] }
@@ -28,7 +28,7 @@ sp-std = { version = "8.0.0", default-features = false, path = "../../primitives
 sp-api = { version = "4.0.0-dev", default-features = false, path = "../../primitives/api" }
 
 [dev-dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 sp-staking = { version = "4.0.0-dev", path = "../../primitives/staking" }
 
 [features]
diff --git a/substrate/frame/beefy-mmr/src/tests.rs b/substrate/frame/beefy-mmr/src/tests.rs
index d7e0ddd98c..067c3851ba 100644
--- a/substrate/frame/beefy-mmr/src/tests.rs
+++ b/substrate/frame/beefy-mmr/src/tests.rs
@@ -164,7 +164,7 @@ fn should_update_authorities() {
 		// check current authority set
 		assert_eq!(0, auth_set.id);
 		assert_eq!(2, auth_set.len);
-		let want = array_bytes::hex_n_into_unchecked::<H256, 32>(
+		let want = array_bytes::hex_n_into_unchecked::<_, H256, 32>(
 			"176e73f1bf656478b728e28dd1a7733c98621b8acf830bff585949763dca7a96",
 		);
 		assert_eq!(want, auth_set.root);
@@ -184,7 +184,7 @@ fn should_update_authorities() {
 		assert_eq!(1, auth_set.id);
 		// check next auth set
 		assert_eq!(2, next_auth_set.id);
-		let want = array_bytes::hex_n_into_unchecked::<H256, 32>(
+		let want = array_bytes::hex_n_into_unchecked::<_, H256, 32>(
 			"9c6b2c1b0d0b25a008e6c882cc7b415f309965c72ad2b944ac0931048ca31cd5",
 		);
 		assert_eq!(2, next_auth_set.len);
@@ -200,7 +200,7 @@ fn should_update_authorities() {
 		assert_eq!(2, auth_set.id);
 		// check next auth set
 		assert_eq!(3, next_auth_set.id);
-		let want = array_bytes::hex_n_into_unchecked::<H256, 32>(
+		let want = array_bytes::hex_n_into_unchecked::<_, H256, 32>(
 			"9c6b2c1b0d0b25a008e6c882cc7b415f309965c72ad2b944ac0931048ca31cd5",
 		);
 		assert_eq!(2, next_auth_set.len);
diff --git a/substrate/frame/benchmarking/Cargo.toml b/substrate/frame/benchmarking/Cargo.toml
index 33010f86cf..9bf7613e6d 100644
--- a/substrate/frame/benchmarking/Cargo.toml
+++ b/substrate/frame/benchmarking/Cargo.toml
@@ -33,7 +33,7 @@ sp-storage = { version = "13.0.0", default-features = false, path = "../../primi
 static_assertions = "1.1.0"
 
 [dev-dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 rusty-fork = { version = "0.3.0", default-features = false }
 sp-keystore = { version = "0.27.0", path = "../../primitives/keystore" }
 
diff --git a/substrate/frame/contracts/Cargo.toml b/substrate/frame/contracts/Cargo.toml
index 3d88c38313..f23e44741a 100644
--- a/substrate/frame/contracts/Cargo.toml
+++ b/substrate/frame/contracts/Cargo.toml
@@ -47,7 +47,7 @@ sp-runtime = { version = "24.0.0", default-features = false, path = "../../primi
 sp-std = { version = "8.0.0", default-features = false, path = "../../primitives/std" }
 
 [dev-dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 assert_matches = "1"
 env_logger = "0.9"
 pretty_assertions = "1"
diff --git a/substrate/frame/contracts/src/exec.rs b/substrate/frame/contracts/src/exec.rs
index 2bf3f44717..2c38f68b3c 100644
--- a/substrate/frame/contracts/src/exec.rs
+++ b/substrate/frame/contracts/src/exec.rs
@@ -3608,7 +3608,9 @@ mod tests {
 			);
 			assert_eq!(
 				ctx.ext.ecdsa_to_eth_address(&pubkey_compressed).unwrap(),
-				array_bytes::hex2array_unchecked::<20>("09231da7b19A016f9e576d23B16277062F4d46A8")
+				array_bytes::hex2array_unchecked::<_, 20>(
+					"09231da7b19A016f9e576d23B16277062F4d46A8"
+				)
 			);
 			exec_success()
 		});
diff --git a/substrate/frame/contracts/src/wasm/mod.rs b/substrate/frame/contracts/src/wasm/mod.rs
index 04f1ecfb5a..01075b2a4c 100644
--- a/substrate/frame/contracts/src/wasm/mod.rs
+++ b/substrate/frame/contracts/src/wasm/mod.rs
@@ -2180,7 +2180,7 @@ mod tests {
 			ExecReturnValue {
 				flags: ReturnFlags::empty(),
 				data: (
-					array_bytes::hex2array_unchecked::<32>(
+					array_bytes::hex2array_unchecked::<_, 32>(
 						"000102030405060708090A0B0C0D0E0F000102030405060708090A0B0C0D0E0F"
 					),
 					42u64,
diff --git a/substrate/frame/executive/Cargo.toml b/substrate/frame/executive/Cargo.toml
index bb8eb4f4a2..6c76513581 100644
--- a/substrate/frame/executive/Cargo.toml
+++ b/substrate/frame/executive/Cargo.toml
@@ -27,7 +27,7 @@ sp-std = { version = "8.0.0", default-features = false, path = "../../primitives
 sp-tracing = { version = "10.0.0", default-features = false, path = "../../primitives/tracing" }
 
 [dev-dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 pallet-balances = { version = "4.0.0-dev", path = "../balances" }
 pallet-transaction-payment = { version = "4.0.0-dev", path = "../transaction-payment" }
 sp-core = { version = "21.0.0", path = "../../primitives/core" }
diff --git a/substrate/frame/merkle-mountain-range/Cargo.toml b/substrate/frame/merkle-mountain-range/Cargo.toml
index afc309b086..83bb7405f3 100644
--- a/substrate/frame/merkle-mountain-range/Cargo.toml
+++ b/substrate/frame/merkle-mountain-range/Cargo.toml
@@ -24,7 +24,7 @@ sp-runtime = { version = "24.0.0", default-features = false, path = "../../primi
 sp-std = { version = "8.0.0", default-features = false, path = "../../primitives/std" }
 
 [dev-dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 env_logger = "0.9"
 itertools = "0.10.3"
 
diff --git a/substrate/frame/support/Cargo.toml b/substrate/frame/support/Cargo.toml
index 619ccfbb24..bfcb821b8c 100644
--- a/substrate/frame/support/Cargo.toml
+++ b/substrate/frame/support/Cargo.toml
@@ -46,7 +46,7 @@ serde_json = "1.0.85"
 assert_matches = "1.3.0"
 pretty_assertions = "1.2.1"
 frame-system = { version = "4.0.0-dev", path = "../system" }
-array-bytes = "4.1"
+array-bytes = "6.1"
 
 [features]
 default = ["std"]
diff --git a/substrate/frame/transaction-storage/Cargo.toml b/substrate/frame/transaction-storage/Cargo.toml
index 07addfe714..0d258a3d83 100644
--- a/substrate/frame/transaction-storage/Cargo.toml
+++ b/substrate/frame/transaction-storage/Cargo.toml
@@ -13,7 +13,7 @@ readme = "README.md"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-array-bytes = { version = "4.1", optional = true }
+array-bytes = { version = "6.1", optional = true }
 codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false }
 scale-info = { version = "2.5.0", default-features = false, features = ["derive"] }
 serde = { version = "1.0.163", optional = true }
diff --git a/substrate/primitives/consensus/beefy/Cargo.toml b/substrate/primitives/consensus/beefy/Cargo.toml
index 4bffe1fcd4..3673397b87 100644
--- a/substrate/primitives/consensus/beefy/Cargo.toml
+++ b/substrate/primitives/consensus/beefy/Cargo.toml
@@ -26,7 +26,7 @@ strum = { version = "0.24.1", features = ["derive"], default-features = false }
 lazy_static = "1.4.0"
 
 [dev-dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 sp-keystore = { version = "0.27.0", path = "../../keystore" }
 
 [features]
diff --git a/substrate/primitives/core/Cargo.toml b/substrate/primitives/core/Cargo.toml
index 92933fdbd9..65c252a523 100644
--- a/substrate/primitives/core/Cargo.toml
+++ b/substrate/primitives/core/Cargo.toml
@@ -43,7 +43,7 @@ bitflags = "1.3"
 paste = "1.0.7"
 
 # full crypto
-array-bytes = { version = "4.1", optional = true }
+array-bytes = { version = "6.1", optional = true }
 ed25519-zebra = { version = "3.1.0", default-features = false, optional = true }
 blake2 = { version = "0.10.4", default-features = false, optional = true }
 libsecp256k1 = { version = "0.7", default-features = false, features = ["static-context"], optional = true }
diff --git a/substrate/primitives/core/src/bls.rs b/substrate/primitives/core/src/bls.rs
index 86db4525fb..770f7d65ce 100644
--- a/substrate/primitives/core/src/bls.rs
+++ b/substrate/primitives/core/src/bls.rs
@@ -332,7 +332,7 @@ impl<T> Serialize for Signature<T> {
 	where
 		S: Serializer,
 	{
-		serializer.serialize_str(&array_bytes::bytes2hex("", self.as_ref()))
+		serializer.serialize_str(&array_bytes::bytes2hex("", self))
 	}
 }
 
diff --git a/substrate/primitives/core/src/ecdsa.rs b/substrate/primitives/core/src/ecdsa.rs
index 872447122b..143482e94c 100644
--- a/substrate/primitives/core/src/ecdsa.rs
+++ b/substrate/primitives/core/src/ecdsa.rs
@@ -220,7 +220,7 @@ impl Serialize for Signature {
 	where
 		S: Serializer,
 	{
-		serializer.serialize_str(&array_bytes::bytes2hex("", self.as_ref()))
+		serializer.serialize_str(&array_bytes::bytes2hex("", self))
 	}
 }
 
@@ -552,7 +552,7 @@ mod test {
 		let derived = pair.derive(path.into_iter(), None).ok().unwrap();
 		assert_eq!(
 			derived.0.seed(),
-			array_bytes::hex2array_unchecked::<32>(
+			array_bytes::hex2array_unchecked::<_, 32>(
 				"b8eefc4937200a8382d00050e050ced2d4ab72cc2ef1b061477afb51564fdd61"
 			)
 		);
diff --git a/substrate/primitives/core/src/ed25519.rs b/substrate/primitives/core/src/ed25519.rs
index ba947990e1..9d948a5bce 100644
--- a/substrate/primitives/core/src/ed25519.rs
+++ b/substrate/primitives/core/src/ed25519.rs
@@ -234,7 +234,7 @@ impl Serialize for Signature {
 	where
 		S: Serializer,
 	{
-		serializer.serialize_str(&array_bytes::bytes2hex("", self.as_ref()))
+		serializer.serialize_str(&array_bytes::bytes2hex("", self))
 	}
 }
 
@@ -499,7 +499,7 @@ mod test {
 		let derived = pair.derive(path.into_iter(), None).ok().unwrap().0;
 		assert_eq!(
 			derived.seed(),
-			array_bytes::hex2array_unchecked::<32>(
+			array_bytes::hex2array_unchecked::<_, 32>(
 				"ede3354e133f9c8e337ddd6ee5415ed4b4ffe5fc7d21e933f4930a3730e5b21c"
 			)
 		);
diff --git a/substrate/primitives/core/src/sr25519.rs b/substrate/primitives/core/src/sr25519.rs
index 963ca1c3fe..1c040f6ccf 100644
--- a/substrate/primitives/core/src/sr25519.rs
+++ b/substrate/primitives/core/src/sr25519.rs
@@ -240,7 +240,7 @@ impl Serialize for Signature {
 	where
 		S: Serializer,
 	{
-		serializer.serialize_str(&array_bytes::bytes2hex("", self.as_ref()))
+		serializer.serialize_str(&array_bytes::bytes2hex("", self))
 	}
 }
 
diff --git a/substrate/primitives/merkle-mountain-range/Cargo.toml b/substrate/primitives/merkle-mountain-range/Cargo.toml
index 21a5f78f5c..9ede77ba40 100644
--- a/substrate/primitives/merkle-mountain-range/Cargo.toml
+++ b/substrate/primitives/merkle-mountain-range/Cargo.toml
@@ -25,7 +25,7 @@ sp-std = { version = "8.0.0", default-features = false, path = "../std" }
 thiserror = "1.0"
 
 [dev-dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 
 [features]
 default = ["std"]
diff --git a/substrate/primitives/state-machine/Cargo.toml b/substrate/primitives/state-machine/Cargo.toml
index 4bdd665b29..cffa4236c2 100644
--- a/substrate/primitives/state-machine/Cargo.toml
+++ b/substrate/primitives/state-machine/Cargo.toml
@@ -30,7 +30,7 @@ sp-trie = { version = "22.0.0", default-features = false, path = "../trie" }
 trie-db = { version = "0.27.1", default-features = false }
 
 [dev-dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 pretty_assertions = "1.2.1"
 rand = "0.8.5"
 sp-runtime = { version = "24.0.0", path = "../runtime" }
diff --git a/substrate/primitives/state-machine/src/testing.rs b/substrate/primitives/state-machine/src/testing.rs
index eefd6b1fbd..78e956952f 100644
--- a/substrate/primitives/state-machine/src/testing.rs
+++ b/substrate/primitives/state-machine/src/testing.rs
@@ -391,7 +391,7 @@ mod tests {
 		ext.set_storage(b"doe".to_vec(), b"reindeer".to_vec());
 		ext.set_storage(b"dog".to_vec(), b"puppy".to_vec());
 		ext.set_storage(b"dogglesworth".to_vec(), b"cat".to_vec());
-		let root = array_bytes::hex_n_into_unchecked::<H256, 32>(
+		let root = array_bytes::hex_n_into_unchecked::<_, H256, 32>(
 			"ed4d8c799d996add422395a6abd7545491d40bd838d738afafa1b8a4de625489",
 		);
 		assert_eq!(H256::from_slice(ext.storage_root(Default::default()).as_slice()), root);
diff --git a/substrate/primitives/trie/Cargo.toml b/substrate/primitives/trie/Cargo.toml
index a56a17bcdb..e0f170052c 100644
--- a/substrate/primitives/trie/Cargo.toml
+++ b/substrate/primitives/trie/Cargo.toml
@@ -36,7 +36,7 @@ sp-std = { version = "8.0.0", default-features = false, path = "../std" }
 schnellru = { version = "0.2.1", optional = true }
 
 [dev-dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 criterion = "0.4.0"
 trie-bench = "0.37.0"
 trie-standardmap = "0.16.0"
diff --git a/substrate/test-utils/client/Cargo.toml b/substrate/test-utils/client/Cargo.toml
index d813f8e465..d921a879fb 100644
--- a/substrate/test-utils/client/Cargo.toml
+++ b/substrate/test-utils/client/Cargo.toml
@@ -13,7 +13,7 @@ publish = false
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 async-trait = "0.1.57"
 codec = { package = "parity-scale-codec", version = "3.6.1" }
 futures = "0.3.21"
diff --git a/substrate/utils/binary-merkle-tree/Cargo.toml b/substrate/utils/binary-merkle-tree/Cargo.toml
index 831c1d6a31..596c394018 100644
--- a/substrate/utils/binary-merkle-tree/Cargo.toml
+++ b/substrate/utils/binary-merkle-tree/Cargo.toml
@@ -9,12 +9,12 @@ description = "A no-std/Substrate compatible library to construct binary merkle
 homepage = "https://substrate.io"
 
 [dependencies]
-array-bytes = { version = "4.1", optional = true }
+array-bytes = { version = "6.1", optional = true }
 log = { version = "0.4", default-features = false, optional = true }
 hash-db = { version = "0.16.0", default-features = false }
 
 [dev-dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 env_logger = "0.9"
 sp-core = { version = "21.0.0", path = "../../primitives/core" }
 sp-runtime = { version = "24.0.0", path = "../../primitives/runtime" }
diff --git a/substrate/utils/binary-merkle-tree/src/lib.rs b/substrate/utils/binary-merkle-tree/src/lib.rs
index ab532fd0b1..0efab9186c 100644
--- a/substrate/utils/binary-merkle-tree/src/lib.rs
+++ b/substrate/utils/binary-merkle-tree/src/lib.rs
@@ -202,7 +202,7 @@ where
 		collect_proof
 			.proof
 			.iter()
-			.map(|s| array_bytes::bytes2hex("", s.as_ref()))
+			.map(|s| array_bytes::bytes2hex("", s))
 			.collect::<Vec<_>>()
 	);
 
@@ -272,10 +272,10 @@ where
 		#[cfg(feature = "debug")]
 		log::debug!(
 			"[verify_proof]: (a, b) {:?}, {:?} => {:?} ({:?}) hash",
-			array_bytes::bytes2hex("", &a.as_ref()),
-			array_bytes::bytes2hex("", &b.as_ref()),
-			array_bytes::bytes2hex("", &hash.as_ref()),
-			array_bytes::bytes2hex("", &combined.as_ref())
+			array_bytes::bytes2hex("", a),
+			array_bytes::bytes2hex("", b),
+			array_bytes::bytes2hex("", hash),
+			array_bytes::bytes2hex("", &combined)
 		);
 		position /= 2;
 		width = ((width - 1) / 2) + 1;
@@ -316,8 +316,8 @@ where
 		#[cfg(feature = "debug")]
 		log::debug!(
 			"  {:?}\n  {:?}",
-			a.as_ref().map(|s| array_bytes::bytes2hex("", s.as_ref())),
-			b.as_ref().map(|s| array_bytes::bytes2hex("", s.as_ref()))
+			a.as_ref().map(|s| array_bytes::bytes2hex("", s)),
+			b.as_ref().map(|s| array_bytes::bytes2hex("", s))
 		);
 
 		index += 2;
@@ -339,7 +339,7 @@ where
 				#[cfg(feature = "debug")]
 				log::debug!(
 					"[merkelize_row] Next: {:?}",
-					next.iter().map(|s| array_bytes::bytes2hex("", s.as_ref())).collect::<Vec<_>>()
+					next.iter().map(|s| array_bytes::bytes2hex("", s)).collect::<Vec<_>>()
 				);
 				return Err(next)
 			},
@@ -364,7 +364,7 @@ mod tests {
 
 		// then
 		assert_eq!(
-			array_bytes::bytes2hex("", out.as_ref()),
+			array_bytes::bytes2hex("", out),
 			"0000000000000000000000000000000000000000000000000000000000000000"
 		);
 	}
@@ -373,7 +373,7 @@ mod tests {
 	fn should_generate_single_root() {
 		// given
 		let _ = env_logger::try_init();
-		let data = vec![array_bytes::hex2array_unchecked::<20>(
+		let data = vec![array_bytes::hex2array_unchecked::<_, 20>(
 			"E04CC55ebEE1cBCE552f250e85c57B70B2E2625b",
 		)];
 
@@ -382,7 +382,7 @@ mod tests {
 
 		// then
 		assert_eq!(
-			array_bytes::bytes2hex("", out.as_ref()),
+			array_bytes::bytes2hex("", out),
 			"aeb47a269393297f4b0a3c9c9cfd00c7a4195255274cf39d83dabc2fcc9ff3d7"
 		);
 	}
@@ -392,8 +392,8 @@ mod tests {
 		// given
 		let _ = env_logger::try_init();
 		let data = vec![
-			array_bytes::hex2array_unchecked::<20>("E04CC55ebEE1cBCE552f250e85c57B70B2E2625b"),
-			array_bytes::hex2array_unchecked::<20>("25451A4de12dcCc2D166922fA938E900fCc4ED24"),
+			array_bytes::hex2array_unchecked::<_, 20>("E04CC55ebEE1cBCE552f250e85c57B70B2E2625b"),
+			array_bytes::hex2array_unchecked::<_, 20>("25451A4de12dcCc2D166922fA938E900fCc4ED24"),
 		];
 
 		// when
@@ -401,7 +401,7 @@ mod tests {
 
 		// then
 		assert_eq!(
-			array_bytes::bytes2hex("", out.as_ref()),
+			array_bytes::bytes2hex("", out),
 			"697ea2a8fe5b03468548a7a413424a6292ab44a82a6f5cc594c3fa7dda7ce402"
 		);
 	}
@@ -410,10 +410,7 @@ mod tests {
 	fn should_generate_root_complex() {
 		let _ = env_logger::try_init();
 		let test = |root, data| {
-			assert_eq!(
-				array_bytes::bytes2hex("", &merkle_root::<Keccak256, _>(data).as_ref()),
-				root
-			);
+			assert_eq!(array_bytes::bytes2hex("", &merkle_root::<Keccak256, _>(data)), root);
 		};
 
 		test(
@@ -473,12 +470,12 @@ mod tests {
 
 		// then
 		assert_eq!(
-			array_bytes::bytes2hex("", &proof0.root.as_ref()),
-			array_bytes::bytes2hex("", &proof1.root.as_ref())
+			array_bytes::bytes2hex("", &proof0.root),
+			array_bytes::bytes2hex("", &proof1.root)
 		);
 		assert_eq!(
-			array_bytes::bytes2hex("", &proof2.root.as_ref()),
-			array_bytes::bytes2hex("", &proof1.root.as_ref())
+			array_bytes::bytes2hex("", &proof2.root),
+			array_bytes::bytes2hex("", &proof1.root)
 		);
 
 		assert!(!verify_proof::<Keccak256, _, _>(
@@ -762,10 +759,7 @@ mod tests {
 		for l in 0..data.len() {
 			// when
 			let proof = merkle_proof::<Keccak256, _, _>(data.clone(), l);
-			assert_eq!(
-				array_bytes::bytes2hex("", &proof.root.as_ref()),
-				array_bytes::bytes2hex("", &root.as_ref())
-			);
+			assert_eq!(array_bytes::bytes2hex("", &proof.root), array_bytes::bytes2hex("", &root));
 			assert_eq!(proof.leaf_index, l);
 			assert_eq!(&proof.leaf, &data[l]);
 
@@ -805,7 +799,7 @@ mod tests {
 				],
 				number_of_leaves: data.len(),
 				leaf_index: data.len() - 1,
-				leaf: array_bytes::hex2array_unchecked::<20>(
+				leaf: array_bytes::hex2array_unchecked::<_, 20>(
 					"c26B34D375533fFc4c5276282Fa5D660F3d8cbcB"
 				)
 				.to_vec(),
diff --git a/substrate/utils/frame/benchmarking-cli/Cargo.toml b/substrate/utils/frame/benchmarking-cli/Cargo.toml
index d960068a01..f6dadf4a98 100644
--- a/substrate/utils/frame/benchmarking-cli/Cargo.toml
+++ b/substrate/utils/frame/benchmarking-cli/Cargo.toml
@@ -13,7 +13,7 @@ readme = "README.md"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-array-bytes = "4.1"
+array-bytes = "6.1"
 chrono = "0.4"
 clap = { version = "4.2.5", features = ["derive"] }
 codec = { package = "parity-scale-codec", version = "3.6.1" }