diff --git a/pkgs/development/python-modules/pycrypto/default.nix b/pkgs/development/python-modules/pycrypto/default.nix
index 0ad1663da65..ec741ba247e 100644
--- a/pkgs/development/python-modules/pycrypto/default.nix
+++ b/pkgs/development/python-modules/pycrypto/default.nix
@@ -1,12 +1,12 @@
 { stdenv, fetchurl, python, buildPythonPackage, gmp }:
 
 buildPythonPackage rec {
-  name = "pycrypto-2.6";
+  name = "pycrypto-2.6.1";
   namePrefix = "";
 
   src = fetchurl {
     url = "http://pypi.python.org/packages/source/p/pycrypto/${name}.tar.gz";
-    md5 = "88dad0a270d1fe83a39e0467a66a22bb";
+    sha256 = "0g0ayql5b9mkjam8hym6zyg6bv77lbh66rv1fyvgqb17kfc1xkpj";
   };
 
   buildInputs = [ python gmp ];