diff --git a/dicttoxml.py b/dicttoxml.py
index 385a5d3..fc8b618 100755
--- a/dicttoxml.py
+++ b/dicttoxml.py
@@ -4,7 +4,7 @@
 """
 Converts a native Python dictionary into an XML string. Supports int, float, str, unicode, list, dict and arbitrary nesting.
 """
-__version__ = 0.9.1
+__version__ = '0.9.1'
 debug = False
 
 def debug_notify(*args):