diff --git a/substrate/Cargo.lock b/substrate/Cargo.lock
index 5ed9325b43..96146f6f8b 100644
--- a/substrate/Cargo.lock
+++ b/substrate/Cargo.lock
@@ -11925,9 +11925,9 @@ dependencies = [
 
 [[package]]
 name = "zeroize"
-version = "1.4.2"
+version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf68b08513768deaa790264a7fac27a58cbf2705cfcdc9448362229217d7e970"
+checksum = "d68d9dcec5f9b43a30d38c49f91dfedfaac384cb8f085faca366c26207dd1619"
 dependencies = [
  "zeroize_derive",
 ]
diff --git a/substrate/client/network/Cargo.toml b/substrate/client/network/Cargo.toml
index 436f9227d3..4f3ea4e939 100644
--- a/substrate/client/network/Cargo.toml
+++ b/substrate/client/network/Cargo.toml
@@ -63,7 +63,7 @@ unsigned-varint = { version = "0.6.0", features = [
     "asynchronous_codec",
 ] }
 void = "1.0.2"
-zeroize = "1.4.2"
+zeroize = "1.4.3"
 libp2p = "0.40.0"
 
 [dev-dependencies]
diff --git a/substrate/primitives/core/Cargo.toml b/substrate/primitives/core/Cargo.toml
index a6b2e21ce7..05fc1240e2 100644
--- a/substrate/primitives/core/Cargo.toml
+++ b/substrate/primitives/core/Cargo.toml
@@ -35,7 +35,7 @@ substrate-bip39 = { version = "0.4.4", optional = true }
 tiny-bip39 = { version = "0.8.2", optional = true }
 regex = { version = "1.5.4", optional = true }
 num-traits = { version = "0.2.8", default-features = false }
-zeroize = { version = "1.4.2", default-features = false }
+zeroize = { version = "1.4.3", default-features = false }
 secrecy = { version = "0.8.0", default-features = false }
 lazy_static = { version = "1.4.0", default-features = false, optional = true }
 parking_lot = { version = "0.11.2", optional = true }