diff --git a/esipy/__init__.py b/esipy/__init__.py
index 036247d..4049572 100644
--- a/esipy/__init__.py
+++ b/esipy/__init__.py
@@ -11,4 +11,4 @@
             # Not installed or in install (not yet installed) so ignore
     pass
 
-__version__ = '0.4.1'
+__version__ = '0.4.2'