bump version
diff --git a/lib/py/setup.py b/lib/py/setup.py
index 7be2b5d..e4d58f9 100644
--- a/lib/py/setup.py
+++ b/lib/py/setup.py
@@ -105,7 +105,7 @@
     twisted_deps = ['twisted']
 
     setup(name='thrift',
-          version='0.18.0',
+          version='0.18.1',
           description='Python bindings for the Apache Thrift RPC system',
           long_description=read_file("README.md"),
           long_description_content_type="text/markdown",