diff --git a/pkgs/misc/themes/numix-solarized/default.nix b/pkgs/misc/themes/numix-solarized/default.nix
index 4fd06fae61b..0596141da80 100644
--- a/pkgs/misc/themes/numix-solarized/default.nix
+++ b/pkgs/misc/themes/numix-solarized/default.nix
@@ -3,14 +3,14 @@
 }:
 
 stdenv.mkDerivation rec {
-  version = "20170810";
+  version = "20180913";
   pname = "numix-solarized-gtk-theme";
 
   src = fetchFromGitHub {
     owner = "Ferdi265";
     repo = "numix-solarized-gtk-theme";
     rev = version;
-    sha256 = "0l4xvsiyg15kp6xwpvm3jckxyhr1lxd678lkhrcyf40n7rd4xinl";
+    sha256 = "1kda0lyqi3cxh163fbj8yyi6jj6pf0y980k4s0cmyi3hkh4cqyd5";
   };
 
   nativeBuildInputs = [ python3 sass glib gdk-pixbuf libxml2 inkscape optipng ];