diff --git a/pkgs/development/python-modules/mat2/default.nix b/pkgs/development/python-modules/mat2/default.nix
index e8b514bc45aa..cd11b56ac267 100644
--- a/pkgs/development/python-modules/mat2/default.nix
+++ b/pkgs/development/python-modules/mat2/default.nix
@@ -22,7 +22,7 @@
 
 buildPythonPackage rec {
   pname = "mat2";
-  version = "0.12.4";
+  version = "0.13.0";
 
   disabled = pythonOlder "3.5";
 
@@ -31,7 +31,7 @@ buildPythonPackage rec {
     owner = "jvoisin";
     repo = "mat2";
     rev = version;
-    hash = "sha256-HjPr4pb0x2Sdq8ALaZeQRnGHmNAoEV8XUGbhOjY00jc=";
+    hash = "sha256-H3l8w2F+ZcJ1P/Dg0ZVBJPUK0itLocL7a0jeSrG3Ws8=";
   };
 
   patches = [
@@ -66,12 +66,12 @@ buildPythonPackage rec {
   '';
 
   nativeBuildInputs = [
+    gobject-introspection
     wrapGAppsHook
   ];
 
   buildInputs = [
     gdk-pixbuf
-    gobject-introspection
     librsvg
     poppler_gi
   ];