diff --git a/nlp_primitives/__init__.py b/nlp_primitives/__init__.py
index 8ed335c6..ea617d81 100644
--- a/nlp_primitives/__init__.py
+++ b/nlp_primitives/__init__.py
@@ -1,7 +1,7 @@
 # flake8: noqa
 import nltk.data
 
-__version__ = '2.1.0.dev'
+__version__ = '2.1.0.dev0'
 import pkg_resources
 
 from .diversity_score import DiversityScore
diff --git a/setup.py b/setup.py
index 3f742498..8e6bd283 100644
--- a/setup.py
+++ b/setup.py
@@ -16,7 +16,7 @@
 
 setup(
     name='nlp_primitives',
-    version='2.1.0.dev',
+    version='2.1.0.dev0',
     author='Alteryx, Inc.',
     author_email='support@featurelabs.com',
     classifiers=[