diff --git a/src/sugar3/activity/webactivity.py b/src/sugar3/activity/webactivity.py
index a29d79ca..3c45f629 100644
--- a/src/sugar3/activity/webactivity.py
+++ b/src/sugar3/activity/webactivity.py
@@ -19,6 +19,10 @@ import json
 import os
 import logging
 
+import gi
+gi.require_version('Gtk', '3.0')
+gi.require_version('WebKit2', '4.0')
+
 from gi.repository import Gdk
 from gi.repository import Gio
 from gi.repository import WebKit2