diff --git a/pkgs/by-name/gt/gtkwave/package.nix b/pkgs/by-name/gt/gtkwave/package.nix
index 2f78f76d05a3..c829915144f3 100644
--- a/pkgs/by-name/gt/gtkwave/package.nix
+++ b/pkgs/by-name/gt/gtkwave/package.nix
@@ -18,11 +18,11 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "gtkwave";
-  version = "3.3.127";
+  version = "3.3.128";
 
   src = fetchurl {
     url = "mirror://sourceforge/gtkwave/gtkwave-gtk3-${finalAttrs.version}.tar.gz";
-    sha256 = "sha256-8Z2i20Oye7zGaXJYQ0UZRaaMOkziMlYuNB1vY7gLVeQ=";
+    sha256 = "sha256-gX4Zf8GAj4qsNUPCwvloPLATaMkRkrjq5a9YBw7x0fg=";
   };
 
   nativeBuildInputs = [