diff --git a/pkgs/tools/misc/wasm-tools/default.nix b/pkgs/tools/misc/wasm-tools/default.nix
index c5e9cba47b54..a405720d167c 100644
--- a/pkgs/tools/misc/wasm-tools/default.nix
+++ b/pkgs/tools/misc/wasm-tools/default.nix
@@ -5,17 +5,17 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "wasm-tools";
-  version = "1.0.42";
+  version = "1.0.43";
 
   src = fetchFromGitHub {
     owner = "bytecodealliance";
     repo = pname;
     rev = "${pname}-${version}";
-    hash = "sha256-RDP4sPHwf1/C9eheHNZsd45CZlR6qkJL2I1Fv94iHhU=";
+    hash = "sha256-z2R4WpdRqe1KCNY8hotE/Pp+JMvoAF1+DqER8GA0ceA=";
     fetchSubmodules = true;
   };
 
-  cargoHash = "sha256-94bd2L+zRdHK/632JWQBIA8QnCTxrvfTeXRpiOV0yoQ=";
+  cargoHash = "sha256-BtXaDqpjri8wRiq7QlipACyEEK/RKgwx7Y6QPX3FeE0=";
   cargoBuildFlags = [ "--package" "wasm-tools" ];
   cargoTestFlags = [ "--all" ];