diff --git a/cachalot/__init__.py b/cachalot/__init__.py
index 314b37f..ab59b75 100644
--- a/cachalot/__init__.py
+++ b/cachalot/__init__.py
@@ -1,2 +1,2 @@
-__version__ = (0, 5, 0)
+__version__ = (0, 5, 0, 'post')
 version_string = '.'.join(str(n) for n in __version__)