diff --git a/setup.py b/setup.py
index a49a34449..042bc7dc0 100644
--- a/setup.py
+++ b/setup.py
@@ -92,7 +92,7 @@ def run_setup(exts):
         description="Industrial-strength NLP",
         author='Matthew Honnibal',
         author_email='honnibal@gmail.com',
-        version='0.50',
+        version='0.51',
         url="http://honnibal.github.io/spaCy/",
         package_data={"spacy": ["*.pxd"],
                       "spacy.en": ["*.pxd", "data/pos/*",