diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index a2f463c34c..64c89d8dbf 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -1492,9 +1492,9 @@ checksum = "31ad93652f40969dead8d4bf897a41e9462095152eb21c56e5830537e41179dd"
 
 [[package]]
 name = "dlmalloc"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6fe28e0bf9357092740362502f5cc7955d8dc125ebda71dec72336c2e15c62e"
+checksum = "203540e710bfadb90e5e29930baf5d10270cec1f43ab34f46f78b147b2de715a"
 dependencies = [
  "libc",
 ]
diff --git a/polkadot/parachain/test-parachains/adder/Cargo.toml b/polkadot/parachain/test-parachains/adder/Cargo.toml
index 8ecf248ad1..8b4c5749e4 100644
--- a/polkadot/parachain/test-parachains/adder/Cargo.toml
+++ b/polkadot/parachain/test-parachains/adder/Cargo.toml
@@ -11,7 +11,7 @@ parachain = { package = "polkadot-parachain", path = "../../", default-features
 parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 sp-std = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 tiny-keccak = { version = "2.0.2", features = ["keccak"] }
-dlmalloc = { version = "0.2.3", features = [ "global" ] }
+dlmalloc = { version = "0.2.4", features = [ "global" ] }
 
 # We need to make sure the global allocator is disabled until we have support of full substrate externalities
 sp-io = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, features = [ "disable_allocator" ] }
diff --git a/polkadot/parachain/test-parachains/undying/Cargo.toml b/polkadot/parachain/test-parachains/undying/Cargo.toml
index 6c0a83b741..25697dcf74 100644
--- a/polkadot/parachain/test-parachains/undying/Cargo.toml
+++ b/polkadot/parachain/test-parachains/undying/Cargo.toml
@@ -11,7 +11,7 @@ parachain = { package = "polkadot-parachain", path = "../../", default-features
 parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 sp-std = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 tiny-keccak = { version = "2.0.2", features = ["keccak"] }
-dlmalloc = { version = "0.2.3", features = [ "global" ] }
+dlmalloc = { version = "0.2.4", features = [ "global" ] }
 log = { version = "0.4.17", default-features = false }
 
 # We need to make sure the global allocator is disabled until we have support of full substrate externalities