diff --git a/pkgs/development/python-modules/twill/default.nix b/pkgs/development/python-modules/twill/default.nix
index e11d7392e1c..15953a923b8 100644
--- a/pkgs/development/python-modules/twill/default.nix
+++ b/pkgs/development/python-modules/twill/default.nix
@@ -1,13 +1,13 @@
 { lib, buildPythonPackage, fetchPypi, isPy3k, nose }:
 buildPythonPackage rec {
   pname = "twill";
-  version = "1.8.0";
+  version = "2.0";
 
   disabled = isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "d63e8b09aa4f6645571c70cd3ba47a911abbae4d7baa4b38fc7eb72f6cfda188";
+    sha256 = "225e114da85555d50433a1e242ed4215fe613c30072d13fbe4c4aacf0ad53b0a";
   };
 
   checkInputs = [ nose ];