diff --git a/pkgs/misc/themes/mate-themes/default.nix b/pkgs/misc/themes/mate-themes/default.nix
index 32d1a24cbf45..f7559ee21265 100644
--- a/pkgs/misc/themes/mate-themes/default.nix
+++ b/pkgs/misc/themes/mate-themes/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, pkgconfig, intltool, iconnamingutils, gtk2 }:
 
 stdenv.mkDerivation {
-  name = "mate-themes-1.6.2";
+  name = "mate-themes-1.6.3";
 
   src = fetchurl {
-    url = "http://pub.mate-desktop.org/releases/1.6/mate-themes-1.6.2.tar.xz";
-    sha256 = "145mjdijjvkpjjgqdfwjp30jvvs0qzxlnh15q6mig8df6drg5fn6";
+    url = "http://pub.mate-desktop.org/releases/1.6/mate-themes-1.6.3.tar.xz";
+    sha256 = "1wakr9z3byw1yvnbaxg8cpfhp1bp1fmnaz742738m0fx6bzznj9i";
   };
 
   buildInputs = [ pkgconfig intltool iconnamingutils gtk2 ];