diff --git a/setup.py b/setup.py
index 73651a6..275c4c4 100644
--- a/setup.py
+++ b/setup.py
@@ -84,7 +84,7 @@ def launch_http_server(directory):
 
 setup(
     name='ConfigArgParse',
-    version="0.12.0",
+    version="0.13.0",
     description='A drop-in replacement for argparse that allows options to '
                 'also be set via config files and/or environment variables.',
     long_description=long_description,