diff --git a/invokeai/version/invokeai_version.py b/invokeai/version/invokeai_version.py
index 1c7e72f9d5..6a6a202f16 100644
--- a/invokeai/version/invokeai_version.py
+++ b/invokeai/version/invokeai_version.py
@@ -1 +1 @@
-__version__ = "4.2.8post1"
+__version__ = "4.2.9.dev20240823"