diff --git a/gui/mozregui/__init__.py b/gui/mozregui/__init__.py
index f0ede3d37..a98734733 100644
--- a/gui/mozregui/__init__.py
+++ b/gui/mozregui/__init__.py
@@ -1 +1 @@
-__version__ = '0.4.1'
+__version__ = '0.4.2'