diff --git a/setup.py b/setup.py
index 0e59e238..74686381 100644
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@
 
 setuptools.setup(
     name="text_extensions_for_pandas",
-    version="0.1a2",
+    version="0.1b1",
     author="IBM",
     author_email="frreiss@example.com",
     description="Natural language processing support for Pandas dataframes.",