diff --git a/src/pip/__init__.py b/src/pip/__init__.py
index b048d4b8e..519b304f0 100644
--- a/src/pip/__init__.py
+++ b/src/pip/__init__.py
@@ -1,6 +1,6 @@
 from typing import List, Optional
 
-__version__ = "22.0"
+__version__ = "22.1.dev0"
 
 
 def main(args: Optional[List[str]] = None) -> int: