diff --git a/substrate/Cargo.lock b/substrate/Cargo.lock
index 320501b058..a1610fa57b 100644
--- a/substrate/Cargo.lock
+++ b/substrate/Cargo.lock
@@ -2586,9 +2586,9 @@ checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
 [[package]]
 name = "hex-literal"
-version = "0.3.1"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5af1f635ef1bc545d78392b136bfe1c9809e029023c84a3638a864a10b8819c8"
+checksum = "21e4590e13640f19f249fe3e4eca5113bc4289f2497710378190e7f4bd96f45b"
 
 [[package]]
 name = "hex_fmt"
diff --git a/substrate/bin/node-template/runtime/Cargo.toml b/substrate/bin/node-template/runtime/Cargo.toml
index 081e458b18..3179a2cc4f 100644
--- a/substrate/bin/node-template/runtime/Cargo.toml
+++ b/substrate/bin/node-template/runtime/Cargo.toml
@@ -45,7 +45,7 @@ pallet-transaction-payment-rpc-runtime-api = { version = "4.0.0-dev", default-fe
 # Used for runtime benchmarking
 frame-benchmarking = { version = "4.0.0-dev", default-features = false, path = "../../../frame/benchmarking", optional = true }
 frame-system-benchmarking = { version = "4.0.0-dev", default-features = false, path = "../../../frame/system/benchmarking", optional = true }
-hex-literal = { version = "0.3.1", optional = true }
+hex-literal = { version = "0.3.3", optional = true }
 
 pallet-template = { version = "3.0.0", default-features = false, path = "../pallets/template" }
 
diff --git a/substrate/bin/node/cli/Cargo.toml b/substrate/bin/node/cli/Cargo.toml
index f08d94c039..a92c7a185b 100644
--- a/substrate/bin/node/cli/Cargo.toml
+++ b/substrate/bin/node/cli/Cargo.toml
@@ -37,7 +37,7 @@ crate-type = ["cdylib", "rlib"]
 codec = { package = "parity-scale-codec", version = "2.0.0" }
 serde = { version = "1.0.126", features = ["derive"] }
 futures = "0.3.16"
-hex-literal = "0.3.1"
+hex-literal = "0.3.3"
 log = "0.4.8"
 rand = "0.7.2"
 structopt = { version = "0.3.8", optional = true }
diff --git a/substrate/bin/node/runtime/Cargo.toml b/substrate/bin/node/runtime/Cargo.toml
index d434be8f3c..b4e84aafec 100644
--- a/substrate/bin/node/runtime/Cargo.toml
+++ b/substrate/bin/node/runtime/Cargo.toml
@@ -20,7 +20,7 @@ codec = { package = "parity-scale-codec", version = "2.2.0", default-features =
 ] }
 scale-info = { version = "1.0", default-features = false, features = ["derive"] }
 static_assertions = "1.1.0"
-hex-literal = { version = "0.3.1", optional = true }
+hex-literal = { version = "0.3.3", optional = true }
 log = { version = "0.4.14", default-features = false }
 
 # primitives
diff --git a/substrate/client/executor/Cargo.toml b/substrate/client/executor/Cargo.toml
index b7eb31a375..eeea57d839 100644
--- a/substrate/client/executor/Cargo.toml
+++ b/substrate/client/executor/Cargo.toml
@@ -36,7 +36,7 @@ libsecp256k1 = "0.6"
 
 [dev-dependencies]
 wat = "1.0"
-hex-literal = "0.3.1"
+hex-literal = "0.3.3"
 sc-runtime-test = { version = "2.0.0", path = "runtime-test" }
 substrate-test-runtime = { version = "2.0.0", path = "../../test-utils/runtime" }
 sp-state-machine = { version = "0.10.0-dev", path = "../../primitives/state-machine" }
diff --git a/substrate/client/service/test/Cargo.toml b/substrate/client/service/test/Cargo.toml
index 9e66e9ca38..d267d2535f 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]
 hex = "0.4"
-hex-literal = "0.3.1"
+hex-literal = "0.3.3"
 tempfile = "3.1.0"
 tokio = { version = "1.10.0", features = ["time"] }
 log = "0.4.8"
diff --git a/substrate/frame/benchmarking/Cargo.toml b/substrate/frame/benchmarking/Cargo.toml
index ea690d966c..6a605707ca 100644
--- a/substrate/frame/benchmarking/Cargo.toml
+++ b/substrate/frame/benchmarking/Cargo.toml
@@ -28,7 +28,7 @@ frame-system = { version = "4.0.0-dev", default-features = false, path = "../sys
 log = { version = "0.4.14", default-features = false }
 
 [dev-dependencies]
-hex-literal = "0.3.1"
+hex-literal = "0.3.3"
 
 [features]
 default = ["std"]
diff --git a/substrate/frame/executive/Cargo.toml b/substrate/frame/executive/Cargo.toml
index 1abbf50e6a..15c8a1bd14 100644
--- a/substrate/frame/executive/Cargo.toml
+++ b/substrate/frame/executive/Cargo.toml
@@ -26,7 +26,7 @@ sp-io = { version = "4.0.0-dev", default-features = false, path = "../../primiti
 sp-core = { version = "4.0.0-dev", default-features = false, path = "../../primitives/core" }
 
 [dev-dependencies]
-hex-literal = "0.3.1"
+hex-literal = "0.3.3"
 sp-core = { version = "4.0.0-dev", path = "../../primitives/core" }
 sp-io = { version = "4.0.0-dev", path = "../../primitives/io" }
 pallet-balances = { version = "4.0.0-dev", path = "../balances" }
diff --git a/substrate/frame/transaction-storage/Cargo.toml b/substrate/frame/transaction-storage/Cargo.toml
index a4ebd5cfbc..9daf706b0c 100644
--- a/substrate/frame/transaction-storage/Cargo.toml
+++ b/substrate/frame/transaction-storage/Cargo.toml
@@ -14,7 +14,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 serde = { version = "1.0.126", optional = true }
-hex-literal = { version = "0.3.1", optional = true }
+hex-literal = { version = "0.3.3", optional = true }
 codec = { package = "parity-scale-codec", version = "2.0.0", default-features = false }
 scale-info = { version = "1.0", default-features = false, features = ["derive"] }
 frame-support = { version = "4.0.0-dev", default-features = false, path = "../support" }
diff --git a/substrate/primitives/core/Cargo.toml b/substrate/primitives/core/Cargo.toml
index 902aa2f655..31223ff1cc 100644
--- a/substrate/primitives/core/Cargo.toml
+++ b/substrate/primitives/core/Cargo.toml
@@ -71,7 +71,7 @@ sp-runtime-interface = { version = "4.0.0-dev", default-features = false, path =
 
 [dev-dependencies]
 sp-serializer = { version = "3.0.0", path = "../serializer" }
-hex-literal = "0.3.1"
+hex-literal = "0.3.3"
 rand = "0.7.2"
 criterion = "0.3.3"
 serde_json = "1.0"
diff --git a/substrate/primitives/state-machine/Cargo.toml b/substrate/primitives/state-machine/Cargo.toml
index d62b598fdc..bafe34bbd5 100644
--- a/substrate/primitives/state-machine/Cargo.toml
+++ b/substrate/primitives/state-machine/Cargo.toml
@@ -32,7 +32,7 @@ sp-std = { version = "4.0.0-dev", default-features = false, path = "../std" }
 tracing = { version = "0.1.29", optional = true }
 
 [dev-dependencies]
-hex-literal = "0.3.1"
+hex-literal = "0.3.3"
 sp-runtime = { version = "4.0.0-dev", path = "../runtime" }
 pretty_assertions = "1.0.0"
 rand = "0.7.2"
diff --git a/substrate/primitives/trie/Cargo.toml b/substrate/primitives/trie/Cargo.toml
index 5a2de4f16f..297040d09e 100644
--- a/substrate/primitives/trie/Cargo.toml
+++ b/substrate/primitives/trie/Cargo.toml
@@ -31,7 +31,7 @@ sp-core = { version = "4.0.0-dev", default-features = false, path = "../core" }
 trie-bench = "0.28.0"
 trie-standardmap = "0.15.2"
 criterion = "0.3.3"
-hex-literal = "0.3.1"
+hex-literal = "0.3.3"
 sp-runtime = { version = "4.0.0-dev", path = "../runtime" }
 
 [features]