diff --git a/Cargo.lock b/Cargo.lock
index fefd00862780dce14f8c3fe5f5423f41620ffd22..0306f6ad5eb24e87ec6d1f0da37fdd7dce6db93b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1428,9 +1428,9 @@ checksum = "d7afe4a420e3fe79967a00898cc1f4db7c8a49a9333a29f8a4bd76a253d5cd04"
 
 [[package]]
 name = "heck"
-version = "0.3.1"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "20564e78d53d2bb135c343b3f47714a56af2061f1c928fdb541dc7b9fdd94205"
+checksum = "87cbf45460356b7deeb5e3415b5563308c0a9b057c85e12b06ad551f98d0a6ac"
 dependencies = [
  "unicode-segmentation",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 0e0a7618e9ff8b03394e670118e517f30b07e3d5..c35adb35158e631828f7f75b87f4f5254dc1638c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ env_logger = "0.8.2"
 anyhow = "1.0.34"
 structopt = "0.3.20"
 log = "0.4.11"
-heck = "0.3.1"
+heck = "0.3.2"
 zip = { version = "0.5.8", default-features = false }
 pwasm-utils = "0.17.0"
 parity-wasm = "0.42.1"