diff --git a/uberwriter/UberwriterWindow.py b/uberwriter/UberwriterWindow.py
index 9dd38fa..e6d3492 100644
--- a/uberwriter/UberwriterWindow.py
+++ b/uberwriter/UberwriterWindow.py
@@ -27,6 +27,8 @@ locale.textdomain('uberwriter')
 
 import mimetypes
 
+import gi
+gi.require_version('WebKit2', '4.0')
 from gi.repository import Gtk, Gdk, GObject, Gio  # pylint: disable=E0611
 from gi.repository import WebKit2 as WebKit
 from gi.repository import Pango  # pylint: disable=E0611
diff --git a/uberwriter/__init__.py b/uberwriter/__init__.py
index e65efd3..a79d38d 100644
--- a/uberwriter/__init__.py
+++ b/uberwriter/__init__.py
@@ -21,6 +21,8 @@ import os
 from locale import gettext as _
 locale.textdomain('uberwriter')
 
+import gi
+gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk # pylint: disable=E0611
 
 from . import UberwriterWindow