diff --git a/aider/__init__.py b/aider/__init__.py
index 6e2b9eaa6..8920a054a 100644
--- a/aider/__init__.py
+++ b/aider/__init__.py
@@ -1 +1 @@
-__version__ = "0.40.6"
+__version__ = "0.40.7-dev"