diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index c54765e470e..ffd81c232a3 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5743,11 +5743,11 @@ let
 
   mutag = buildPythonPackage rec {
     disabled = ! isPy3k;
-    name = "mutag-0.0.1-b1b3ff2ad8";
+    name = "mutag-0.0.2-2ffa0258ca";
     src = pkgs.fetchgit {
       url = "https://github.com/aroig/mutag.git";
-      sha256 = "1x9wl789ib62zmrbjy96jhcbjnym6fb1jvdjiw4smapifm2hnyr7";
-      rev = "efc9bc7e1ea345e7bd0568848598de";
+      sha256 = "0azq2sb32mv6wyjlw1hk01c23isl4x1hya52lqnhknak299s5fml";
+      rev = "2ffa0258cadaf79313241f43bf2c1caaf197d9c2";
     };
 
     propagatedBuildInputs = with self; [ pyparsing ];