diff --git a/mypy.ini b/mypy.ini
index d8fb9cc0..3168f2b5 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -1,6 +1,6 @@
 [mypy]
 plugins = pydantic.mypy
-python_version = 3.8
+python_version = 3.9
 
 pretty = True
 show_error_context = True