diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index 73d6b3a7cb..c406f87cc3 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -2558,9 +2558,9 @@ checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
 [[package]]
 name = "hex-literal"
-version = "0.3.3"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21e4590e13640f19f249fe3e4eca5113bc4289f2497710378190e7f4bd96f45b"
+checksum = "7ebdb29d2ea9ed0083cd8cece49bbd968021bd99b0849edb4a9a7ee0fdf6a4e0"
 
 [[package]]
 name = "hex_fmt"
@@ -11103,7 +11103,7 @@ version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1f559b464de2e2bdabcac6a210d12e9b5a5973c251e102c44c585c71d51bd78e"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "rand 0.8.4",
  "static_assertions",
 ]
diff --git a/polkadot/node/core/pvf/Cargo.toml b/polkadot/node/core/pvf/Cargo.toml
index daeae7e559..a914b9ade3 100644
--- a/polkadot/node/core/pvf/Cargo.toml
+++ b/polkadot/node/core/pvf/Cargo.toml
@@ -37,5 +37,5 @@ sp-tracing = { git = "https://github.com/paritytech/substrate", branch = "master
 [dev-dependencies]
 adder = { package = "test-parachain-adder", path = "../../../parachain/test-parachains/adder" }
 halt = { package = "test-parachain-halt", path = "../../../parachain/test-parachains/halt" }
-hex-literal = "0.3.3"
+hex-literal = "0.3.4"
 tempfile = "3.2.0"
diff --git a/polkadot/node/service/Cargo.toml b/polkadot/node/service/Cargo.toml
index 8fc69296c2..27bccb87da 100644
--- a/polkadot/node/service/Cargo.toml
+++ b/polkadot/node/service/Cargo.toml
@@ -62,7 +62,7 @@ prometheus-endpoint = { package = "substrate-prometheus-endpoint", git = "https:
 
 # External Crates
 futures = "0.3.17"
-hex-literal = "0.3.3"
+hex-literal = "0.3.4"
 tracing = "0.1.29"
 serde = { version = "1.0.130", features = ["derive"] }
 thiserror = "1.0.30"
diff --git a/polkadot/primitives/Cargo.toml b/polkadot/primitives/Cargo.toml
index c84c0f8f77..828a56c72d 100644
--- a/polkadot/primitives/Cargo.toml
+++ b/polkadot/primitives/Cargo.toml
@@ -26,7 +26,7 @@ polkadot-core-primitives = { path = "../core-primitives", default-features = fal
 trie = { package = "sp-trie", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 bitvec = { version = "0.20.1", default-features = false, features = ["alloc"] }
 frame-system = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-hex-literal = "0.3.3"
+hex-literal = "0.3.4"
 parity-util-mem = { version = "0.10.0", default-features = false, optional = true }
 
 
diff --git a/polkadot/runtime/common/Cargo.toml b/polkadot/runtime/common/Cargo.toml
index e76cbee173..cd638fd1f3 100644
--- a/polkadot/runtime/common/Cargo.toml
+++ b/polkadot/runtime/common/Cargo.toml
@@ -52,7 +52,7 @@ slot-range-helper = { path = "slot_range_helper", default-features = false }
 xcm = { path = "../../xcm", default-features = false }
 
 [dev-dependencies]
-hex-literal = "0.3.3"
+hex-literal = "0.3.4"
 frame-support-test = { git = "https://github.com/paritytech/substrate", branch = "master" }
 pallet-babe = { git = "https://github.com/paritytech/substrate", branch = "master" }
 pallet-treasury = { git = "https://github.com/paritytech/substrate", branch = "master" }
diff --git a/polkadot/runtime/kusama/Cargo.toml b/polkadot/runtime/kusama/Cargo.toml
index cf1936303d..1b30c4967c 100644
--- a/polkadot/runtime/kusama/Cargo.toml
+++ b/polkadot/runtime/kusama/Cargo.toml
@@ -80,7 +80,7 @@ frame-try-runtime = { git = "https://github.com/paritytech/substrate", branch =
 pallet-offences-benchmarking = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, optional = true }
 pallet-session-benchmarking = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, optional = true }
 frame-system-benchmarking = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, optional = true }
-hex-literal = { version = "0.3.3", optional = true }
+hex-literal = { version = "0.3.4", optional = true }
 
 runtime-common = { package = "polkadot-runtime-common", path = "../common", default-features = false }
 runtime-parachains = { package = "polkadot-runtime-parachains", path = "../parachains", default-features = false }
@@ -91,7 +91,7 @@ xcm-executor = { package = "xcm-executor", path = "../../xcm/xcm-executor", defa
 xcm-builder = { package = "xcm-builder", path = "../../xcm/xcm-builder", default-features = false }
 
 [dev-dependencies]
-hex-literal = "0.3.3"
+hex-literal = "0.3.4"
 tiny-keccak = "2.0.2"
 keyring = { package = "sp-keyring", git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-trie = { git = "https://github.com/paritytech/substrate", branch = "master" }
diff --git a/polkadot/runtime/parachains/Cargo.toml b/polkadot/runtime/parachains/Cargo.toml
index da5e695b71..d0c26a1bdf 100644
--- a/polkadot/runtime/parachains/Cargo.toml
+++ b/polkadot/runtime/parachains/Cargo.toml
@@ -44,7 +44,7 @@ rand_chacha = { version = "0.3.1", default-features = false }
 
 [dev-dependencies]
 futures = "0.3.17"
-hex-literal = "0.3.3"
+hex-literal = "0.3.4"
 keyring = { package = "sp-keyring", git = "https://github.com/paritytech/substrate", branch = "master" }
 frame-support-test = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sc-keystore = { git = "https://github.com/paritytech/substrate", branch = "master" }
diff --git a/polkadot/runtime/polkadot/Cargo.toml b/polkadot/runtime/polkadot/Cargo.toml
index e263e4f4e6..235bfc06e5 100644
--- a/polkadot/runtime/polkadot/Cargo.toml
+++ b/polkadot/runtime/polkadot/Cargo.toml
@@ -75,14 +75,14 @@ frame-try-runtime = { git = "https://github.com/paritytech/substrate", branch =
 frame-system-benchmarking = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, optional = true }
 pallet-offences-benchmarking = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, optional = true }
 pallet-session-benchmarking = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, optional = true }
-hex-literal = { version = "0.3.3", optional = true }
+hex-literal = { version = "0.3.4", optional = true }
 
 runtime-common = { package = "polkadot-runtime-common", path = "../common", default-features = false }
 runtime-parachains = { package = "polkadot-runtime-parachains", path = "../parachains", default-features = false }
 primitives = { package = "polkadot-primitives", path = "../../primitives", default-features = false }
 
 [dev-dependencies]
-hex-literal = "0.3.3"
+hex-literal = "0.3.4"
 tiny-keccak = "2.0.2"
 keyring = { package = "sp-keyring", git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-trie = { git = "https://github.com/paritytech/substrate", branch = "master" }
diff --git a/polkadot/runtime/rococo/Cargo.toml b/polkadot/runtime/rococo/Cargo.toml
index 388d49101c..275586d3c1 100644
--- a/polkadot/runtime/rococo/Cargo.toml
+++ b/polkadot/runtime/rococo/Cargo.toml
@@ -81,7 +81,7 @@ pallet-bridge-messages = { path = "../../bridges/modules/messages", default-feat
 
 # Benchmarking Dependencies
 frame-benchmarking = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, optional = true }
-hex-literal = { version = "0.3.3", optional = true }
+hex-literal = { version = "0.3.4", optional = true }
 
 [build-dependencies]
 substrate-wasm-builder = { git = "https://github.com/paritytech/substrate", branch = "master" }
diff --git a/polkadot/runtime/test-runtime/Cargo.toml b/polkadot/runtime/test-runtime/Cargo.toml
index 5feebb1772..1e2132dcaf 100644
--- a/polkadot/runtime/test-runtime/Cargo.toml
+++ b/polkadot/runtime/test-runtime/Cargo.toml
@@ -64,7 +64,7 @@ xcm-executor = { path = "../../xcm/xcm-executor", default-features = false }
 xcm = { path = "../../xcm", default-features = false }
 
 [dev-dependencies]
-hex-literal = "0.3.3"
+hex-literal = "0.3.4"
 tiny-keccak = "2.0.2"
 keyring = { package = "sp-keyring", git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-trie = { git = "https://github.com/paritytech/substrate", branch = "master" }
diff --git a/polkadot/runtime/westend/Cargo.toml b/polkadot/runtime/westend/Cargo.toml
index f7e29f5cb7..55ba7ebe1e 100644
--- a/polkadot/runtime/westend/Cargo.toml
+++ b/polkadot/runtime/westend/Cargo.toml
@@ -77,7 +77,7 @@ frame-try-runtime = { git = "https://github.com/paritytech/substrate", branch =
 frame-system-benchmarking = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, optional = true }
 pallet-offences-benchmarking = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, optional = true }
 pallet-session-benchmarking = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, optional = true }
-hex-literal = { version = "0.3.3", optional = true }
+hex-literal = { version = "0.3.4", optional = true }
 
 runtime-common = { package = "polkadot-runtime-common", path = "../common", default-features = false }
 primitives = { package = "polkadot-primitives", path = "../../primitives", default-features = false }
@@ -89,7 +89,7 @@ xcm-executor = { package = "xcm-executor", path = "../../xcm/xcm-executor", defa
 xcm-builder = { package = "xcm-builder", path = "../../xcm/xcm-builder", default-features = false }
 
 [dev-dependencies]
-hex-literal = "0.3.3"
+hex-literal = "0.3.4"
 tiny-keccak = "2.0.2"
 keyring = { package = "sp-keyring", git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-trie = { git = "https://github.com/paritytech/substrate", branch = "master" }