diff --git a/pkgs/development/compilers/binaryen/default.nix b/pkgs/development/compilers/binaryen/default.nix
index 1b53a142d12..52323b3de76 100644
--- a/pkgs/development/compilers/binaryen/default.nix
+++ b/pkgs/development/compilers/binaryen/default.nix
@@ -1,11 +1,11 @@
 { stdenv, cmake, python, fetchFromGitHub, emscriptenRev ? null }:
 
 let
-  defaultVersion = "88";
+  defaultVersion = "89";
 
   # Map from git revs to SHA256 hashes
   sha256s = {
-    "version_88" = "14vm2hksn696klk97yz562mm5sqd67qbbzmlw4kvy22ldyc6sgmi";
+    "version_89" = "0rh1dq33ilq54szfgi1ajaiaj7rbylai02rhp9zm9vpwp0rw8mij";
     "1.38.28" = "172s7y5f38736ic8ri3mnbdqcrkadd40a26cxcfwbscc53phl11v";
   };
 in