diff --git a/aider/__init__.py b/aider/__init__.py
index e4ac7a038..e3341994b 100644
--- a/aider/__init__.py
+++ b/aider/__init__.py
@@ -1,6 +1,6 @@
 try:
     from aider.__version__ import __version__
 except Exception:
-    __version__ = "0.58.0"
+    __version__ = "0.58.1.dev"
 
 __all__ = [__version__]