diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index 47e8f95db8..08d106bc0f 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -1211,9 +1211,9 @@ dependencies = [
 
 [[package]]
 name = "dlmalloc"
-version = "0.1.4"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "35055b1021724f4eb5262eb49130eebff23fc59fc5a14160e05faad8eeb36673"
+checksum = "332570860c2edf2d57914987bf9e24835425f75825086b6ba7d1e6a3e4f1f254"
 dependencies = [
  "libc",
 ]
diff --git a/polkadot/parachain/test-parachains/adder/Cargo.toml b/polkadot/parachain/test-parachains/adder/Cargo.toml
index 9808d5188d..4b22425bea 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 = "1.3.5", 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 = "0.1.3", features = [ "global" ] }
+dlmalloc = { version = "0.2.1", 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" ] }