diff --git a/setup.py b/setup.py
index 8a91b0a..f143889 100755
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@ else:
 
 setup(
     name='diff-match-patch',
-    version='20121119',
+    version='20121119.0',
     description = "The Diff Match and Patch libraries offer robust algorithms to perform the operations required for synchronizing plain text.",
     long_description = read('README.rst') + "\n\n" + read("CHANGES.rst"),
     packages = ['diff_match_patch'],