diff --git a/pkgs/development/interpreters/python/default.nix b/pkgs/development/interpreters/python/default.nix
index 60e41445233c..560c222d39bb 100644
--- a/pkgs/development/interpreters/python/default.nix
+++ b/pkgs/development/interpreters/python/default.nix
@@ -138,10 +138,10 @@ in {
     sourceVersion = {
       major = "7";
       minor = "3";
-      patch = "11";
+      patch = "12";
     };
 
-    hash = "sha256-ERevtmgx2k6m852NIIR4enRon9AineC+MB+e2bJVCTw=";
+    hash = "sha256-3WHYjaJ0ws4s7HdmfUo9+aZSvMUOJvkJkdTdCvZrzPQ=";
     pythonVersion = "2.7";
     db = db.override { dbmSupport = !stdenv.isDarwin; };
     python = __splicedPackages.pythonInterpreters.pypy27_prebuilt;