diff --git a/pkgs/misc/themes/materia-theme/default.nix b/pkgs/misc/themes/materia-theme/default.nix
index e66b7767c6e..c258546063d 100644
--- a/pkgs/misc/themes/materia-theme/default.nix
+++ b/pkgs/misc/themes/materia-theme/default.nix
@@ -2,13 +2,13 @@
 
 stdenv.mkDerivation rec {
   name = "materia-theme-${version}";
-  version = "20171112";
+  version = "20171213";
 
   src = fetchFromGitHub {
     owner = "nana-4";
     repo = "materia-theme";
     rev = "v${version}";
-    sha256 = "0iwak15mxkwazfnkxw4wf2qgr6s64jh8lxy0wfqvb2willzabprk";
+    sha256 = "1dn458r8ca97xz4pqyxy2rqigs97dg3k868l4yvlsdy732mspm0h";
   };
 
   nativeBuildInputs = [ gnome3.glib libxml2 ];
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   '';
 
   meta = with stdenv.lib; {
-    description = "A Material Design-like theme for GNOME/GTK+ based desktop environments (formerly Flat-Plat)";
+    description = "A Material Design theme for GNOME/GTK+ based desktop environments (formerly Flat-Plat)";
     homepage = https://github.com/nana-4/materia-theme;
     license = licenses.gpl2;
     platforms = platforms.all;