diff --git a/tortoise/__init__.py b/tortoise/__init__.py
index ed8092ee6..d52b925a7 100644
--- a/tortoise/__init__.py
+++ b/tortoise/__init__.py
@@ -781,4 +781,4 @@ async def do_stuff():
         loop.run_until_complete(Tortoise.close_connections())
 
 
-__version__ = "0.15.20"
+__version__ = "0.15.21"