diff --git a/autogen/version.py b/autogen/version.py
index ab14361953..3b1c89cd7a 100644
--- a/autogen/version.py
+++ b/autogen/version.py
@@ -2,4 +2,4 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 
-__version__ = "0.5.1"
+__version__ = "0.5.2b1"