diff --git a/Cargo.lock b/Cargo.lock
index 8be9f3dcaa46c9678049b5ea31fc83c08065f124..7975db8e130d330f465df3ca471e39f513770a77 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -507,7 +507,7 @@ dependencies = [
  "impl-serde",
  "log",
  "parity-scale-codec 2.0.1",
- "parity-wasm 0.42.1",
+ "parity-wasm 0.42.2",
  "pretty_assertions",
  "pwasm-utils",
  "rustc_version 0.3.3",
@@ -2100,9 +2100,9 @@ checksum = "ddfc878dac00da22f8f61e7af3157988424567ab01d9920b962ef7dcbd7cd865"
 
 [[package]]
 name = "parity-wasm"
-version = "0.42.1"
+version = "0.42.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d17797de36b94bc5f73edad736fd0a77ce5ab64dd622f809c1eead8c91fa6564"
+checksum = "be5e13c266502aadf83426d87d81a0f5d1ef45b8027f5a471c360abfe4bfae92"
 
 [[package]]
 name = "parking"
@@ -2366,7 +2366,7 @@ checksum = "51992bc74c0f34f759ff97fb303602e60343afc83693769c91aa17724442809e"
 dependencies = [
  "byteorder",
  "log",
- "parity-wasm 0.42.1",
+ "parity-wasm 0.42.2",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 6be643ba1209d7ebf96e3764fe6146320e55e8f9..2b216f6870e3967150883c28a6ed0a621197cd15 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -26,7 +26,7 @@ log = "0.4.14"
 heck = "0.3.2"
 zip = { version = "0.5.11", default-features = false }
 pwasm-utils = "0.17.0"
-parity-wasm = "0.42.1"
+parity-wasm = "0.42.2"
 cargo_metadata = "0.13.1"
 codec = { package = "parity-scale-codec", version = "2.0.1", features = ["derive"] }
 which = "4.0.2"