diff --git a/pkgs/applications/graphics/PythonMagick/default.nix b/pkgs/applications/graphics/PythonMagick/default.nix
index 17bf7d54670..5ab7d4d8a69 100644
--- a/pkgs/applications/graphics/PythonMagick/default.nix
+++ b/pkgs/applications/graphics/PythonMagick/default.nix
@@ -2,7 +2,7 @@
 
 let
 
-  version = "0.9.11";
+  version = "0.9.12";
 
 in
 
@@ -10,8 +10,8 @@ stdenv.mkDerivation rec {
   name = "pythonmagick-${version}";
 
   src = fetchurl {
-    url = "http://www.imagemagick.org/download/python/releases/PythonMagick-${version}.tar.gz";
-    sha256 = "01z01mlqkk0lvrh2jsmf84qjw29sq4rpj0653x7nqy7mrszwwp2v";
+    url = "http://www.imagemagick.org/download/python/releases/PythonMagick-${version}.tar.xz";
+    sha256 = "1l1kr3d7l40fkxgs6mrlxj65alv2jizm9hhgg9i9g90a8qj8642b";
   };
 
   buildInputs = [python boost pkgconfig imagemagick];