diff --git a/pkgs/by-name/wi/wit-bindgen/package.nix b/pkgs/by-name/wi/wit-bindgen/package.nix
index 7404dd906335..d619491020ee 100644
--- a/pkgs/by-name/wi/wit-bindgen/package.nix
+++ b/pkgs/by-name/wi/wit-bindgen/package.nix
@@ -5,16 +5,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "wit-bindgen";
-  version = "0.33.0";
+  version = "0.34.0";
 
   src = fetchFromGitHub {
     owner = "bytecodealliance";
     repo = "wit-bindgen";
     rev = "v${version}";
-    hash = "sha256-+3tWqNdDZagJa9cLSz1OBaPtCr2F1joYyzB//BPqV34=";
+    hash = "sha256-ZnMQpIfKN6ByEZasvy+UM12ZBsrhTM1s3TN1dF/3YMY=";
   };
 
-  cargoHash = "sha256-3TrnSU7qXC8INlEZMbYTNwZsqiKMZ6j7tdGmz3DFl1g=";
+  cargoHash = "sha256-eF1qJ0fH3ODG1u9tUD3dj/2i7+0BJ4fJPlaYjS3XiGU=";
 
   # Some tests fail because they need network access to install the `wasm32-unknown-unknown` target.
   # However, GitHub Actions ensures a proper build.