diff --git a/setup.py b/setup.py
index 5bce689..9a36c28 100644
--- a/setup.py
+++ b/setup.py
@@ -81,7 +81,7 @@ def launch_http_server(directory):
 
 setup(
     name='ConfigArgParse',
-    version="1.5.2",
+    version="1.5.3",
     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,