diff --git a/aiohttp/__init__.py b/aiohttp/__init__.py
index d5851e2679e..e439218f88c 100644
--- a/aiohttp/__init__.py
+++ b/aiohttp/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "3.8.2"
+__version__ = "3.8.2.post0.dev0"
 
 from typing import Tuple