diff --git a/pkgs/by-name/cj/cjs/package.nix b/pkgs/by-name/cj/cjs/package.nix
index 57cfe2796740..8203ad4a9ecd 100644
--- a/pkgs/by-name/cj/cjs/package.nix
+++ b/pkgs/by-name/cj/cjs/package.nix
@@ -18,13 +18,13 @@
 
 stdenv.mkDerivation rec {
   pname = "cjs";
-  version = "6.2.0";
+  version = "6.4.0";
 
   src = fetchFromGitHub {
     owner = "linuxmint";
     repo = "cjs";
     rev = version;
-    hash = "sha256-/74E10txRjwN9RkjVB8M0MPYakJ659yJWanc4DC09wg=";
+    hash = "sha256-2lkIWroOo3hxu9/L/Ty7CADzVrZ0ohyHVmm65NoNlD4=";
   };
 
   outputs = [ "out" "dev" ];
@@ -60,9 +60,6 @@ stdenv.mkDerivation rec {
 
   postPatch = ''
     patchShebangs --build build/choose-tests-locale.sh
-
-    # https://github.com/linuxmint/cjs/issues/123
-    substituteInPlace meson.build --replace-fail "extra_args: '--warn-error'," ""
   '';
 
   meta = with lib; {