diff --git a/mypy.ini b/mypy.ini
index 2b580b49..4dfcf377 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -1,5 +1,5 @@
 [mypy]
-python_version = 3.7
+python_version = 3.9
 warn_return_any = True
 warn_unused_configs = True
 ignore_missing_imports = True