diff --git a/pkgs/development/tools/wabt/default.nix b/pkgs/development/tools/wabt/default.nix
index 5c71762bd386..64b8f4dd474c 100644
--- a/pkgs/development/tools/wabt/default.nix
+++ b/pkgs/development/tools/wabt/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   pname = "wabt";
-  version = "1.0.33";
+  version = "1.0.34";
 
   src = fetchFromGitHub {
     owner = "WebAssembly";
     repo = "wabt";
     rev = version;
-    sha256 = "sha256-zSgV+lrNpQcR+V6Icyf3cPMeAdRDfsL2EErF8pxev5c=";
+    sha256 = "sha256-KlaMc3k1y6KviMDrMbKPcJOywJasrPZrnvSos8hgu+8=";
     fetchSubmodules = true;
   };