diff --git a/invokeai/version/invokeai_version.py b/invokeai/version/invokeai_version.py
index 70397087621..de7ed20041c 100644
--- a/invokeai/version/invokeai_version.py
+++ b/invokeai/version/invokeai_version.py
@@ -1 +1 @@
-__version__ = "4.1.0"
+__version__ = "4.2.0a1"