diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c180b3ca39fe..da780b08734f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -5604,12 +5604,12 @@ in
 
   python = python2;
   python2 = python27;
-  python3 = python34;
+  python3 = python35;
 
   # pythonPackages further below, but assigned here because they need to be in sync
   pythonPackages = python2Packages;
   python2Packages = python27Packages;
-  python3Packages = python34Packages;
+  python3Packages = python35Packages;
 
   python26 = callPackage ../development/interpreters/python/2.6 {
     db = db47;