diff --git a/pkgs/development/interpreters/python/2.7/default.nix b/pkgs/development/interpreters/python/2.7/default.nix
index 9fb2ab377dfc..7dc4708e3cf0 100644
--- a/pkgs/development/interpreters/python/2.7/default.nix
+++ b/pkgs/development/interpreters/python/2.7/default.nix
@@ -9,11 +9,11 @@ with stdenv.lib;
 let
 
   majorVersion = "2.7";
-  version = "${majorVersion}.3";
+  version = "${majorVersion}.4";
 
   src = fetchurl {
     url = "http://www.python.org/ftp/python/${version}/Python-${version}.tar.bz2";
-    sha256 = "0g3672il41rcfjk7sphfqdsa6qf53y8g3ai8yk1sslxi3khmfr3j";
+    sha256 = "0nd3x4j2w8pi9ac3pawrzb5i3s88hw0aasr08dprdv7q81fp0pq3";
   };
 
   patches =