diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index 2867a2aff4..fa43db0245 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -1565,9 +1565,9 @@ dependencies = [
 
 [[package]]
 name = "dlmalloc"
-version = "0.2.2"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96d075454d918d7358fcd2290dcb4c3ae7bc735388dd1b31ccee1426c1106d8a"
+checksum = "a6fe28e0bf9357092740362502f5cc7955d8dc125ebda71dec72336c2e15c62e"
 dependencies = [
  "libc",
 ]
diff --git a/polkadot/parachain/test-parachains/adder/Cargo.toml b/polkadot/parachain/test-parachains/adder/Cargo.toml
index 93e0057ba5..9e8d42e7d1 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 = "2.3.1", 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 = "0.2.2", features = [ "global" ] }
+dlmalloc = { version = "0.2.3", 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" ] }