diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index ce331405749..a4944d4a9e5 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -16793,6 +16793,9 @@ let
       license = licenses.zpt20;
       maintainers = with maintainers; [ goibhniu ];
     };
+
+    # Python 3.5 is not yet supported.
+    disabled = isPy35;
   };