diff --git a/pkgs/by-name/wa/wasm-tools/package.nix b/pkgs/by-name/wa/wasm-tools/package.nix
index 7579c718e4b3..ee35c3a137e9 100644
--- a/pkgs/by-name/wa/wasm-tools/package.nix
+++ b/pkgs/by-name/wa/wasm-tools/package.nix
@@ -6,20 +6,20 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "wasm-tools";
-  version = "1.242.0";
+  version = "1.243.0";
 
   src = fetchFromGitHub {
     owner = "bytecodealliance";
     repo = "wasm-tools";
     tag = "v${version}";
-    hash = "sha256-7TKodssE1obD7tIqrjrWoEdcCk3iSRwaecRHg7ddg6w=";
+    hash = "sha256-wVIGwFWQvQvFl170I0VgYaTvaJnOGv6GrtM6VGpPxSc=";
     fetchSubmodules = true;
   };
 
   # Disable cargo-auditable until https://github.com/rust-secure-code/cargo-auditable/issues/124 is solved.
   auditable = false;
 
-  cargoHash = "sha256-X9dDmHWBdh0znGvTWG+WyiXmf4wnz5mhxJWsZJJUYmI=";
+  cargoHash = "sha256-9BYethBg9seBOCCJTLYvAXDXj2dfjSZWPBOQS1TqD90=";
   cargoBuildFlags = [
     "--package"
     "wasm-tools"