diff --git a/lib/Crypto/__init__.py b/lib/Crypto/__init__.py
index efd9d7bb3..e0a6be9c5 100644
--- a/lib/Crypto/__init__.py
+++ b/lib/Crypto/__init__.py
@@ -1,6 +1,6 @@
 __all__ = ['Cipher', 'Hash', 'Protocol', 'PublicKey', 'Util', 'Signature',
            'IO', 'Math']
 
-version_info = (3, 6, 5)
+version_info = (3, 6, 6, 'a0')
 
 __version__ = ".".join([str(x) for x in version_info])