diff --git a/pkgs/development/interpreters/python/default.nix b/pkgs/development/interpreters/python/default.nix
index 82b290f9eb37..3114866b31f9 100644
--- a/pkgs/development/interpreters/python/default.nix
+++ b/pkgs/development/interpreters/python/default.nix
@@ -3,10 +3,10 @@
 assert zlibSupport -> zlib != null;
 
 stdenv.mkDerivation {
-  name = "python-2.4.2";
+  name = "python-2.4.3";
   src = fetchurl {
-    url = http://nix.cs.uu.nl/dist/tarballs/Python-2.4.2.tar.bz2;
-    md5 = "98db1465629693fc434d4dc52db93838";
+    url = http://www.python.org/ftp/python/2.4.3/Python-2.4.3.tar.bz2;
+    md5 = "141c683447d5e76be1d2bd4829574f02";
   };
   buildInputs = [
     (if zlibSupport then zlib else null)