diff --git a/pkgs/tools/graphics/gromit-mpx/default.nix b/pkgs/tools/graphics/gromit-mpx/default.nix
index c7f0beba8fb8..b8c344258bb9 100644
--- a/pkgs/tools/graphics/gromit-mpx/default.nix
+++ b/pkgs/tools/graphics/gromit-mpx/default.nix
@@ -6,13 +6,13 @@
 
 stdenv.mkDerivation rec {
   pname = "gromit-mpx";
-  version = "1.3.1";
+  version = "1.4";
 
   src = fetchFromGitHub {
     owner = "bk138";
     repo = "gromit-mpx";
     rev = version;
-    sha256 = "1dvn7vwg4fg1a3lfj5f7nij1vcxm27gyf2wr817f3qb4sx5xmjwy";
+    sha256 = "1xn14r7lhay720y78j1fs4amp5lia39kpq7vzv02x4nnwhgbsd9r";
   };
 
   nativeBuildInputs = [ pkgconfig wrapGAppsHook ];