diff --git a/pkgs/tools/graphics/gromit-mpx/default.nix b/pkgs/tools/graphics/gromit-mpx/default.nix
index 74a0943afe3..122dfe8a8bf 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 = "1.4.1";
+  version = "1.4.2";
 
   src = fetchFromGitHub {
     owner = "bk138";
     repo = "gromit-mpx";
     rev = version;
-    sha256 = "sha256-K+NJagRdxnFw410pHDP+OY6yyFu/7mhLvZ8DIz08dsA=";
+    sha256 = "sha256-2inmcKSdvHs7WaU095liH12Og9ezsNSs2qygltWOclw=";
   };
 
   nativeBuildInputs = [ cmake pkg-config wrapGAppsHook ];
@@ -33,6 +33,6 @@ stdenv.mkDerivation rec {
     homepage = "https://github.com/bk138/gromit-mpx";
     maintainers = with maintainers; [ pjones ];
     platforms = platforms.linux;
-    license = licenses.gpl2;
+    license = licenses.gpl2Plus;
   };
 }