diff --git a/setup.py b/setup.py
index 8155abe..c8c50fc 100644
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,7 @@ setuptools.setup(
     author="Manuel Barkhau",
     author_email="mbarkhau@gmail.com",
     url="https://gitlab.com/mbarkhau/pycalver",
-    version="201812.16",
+    version="201812.16post1",
     keywords="version versioning bumpversion calver",
     description="CalVer versioning for python libraries.",
     long_description=long_description,