diff --git a/setup.cfg b/setup.cfg
index 597eece1..e858d13a 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -87,7 +87,7 @@ per-file-ignores =
     src/flask/__init__.py: F401
 
 [mypy]
-files = src/flask
+files = src/flask, tests/typing
 python_version = 3.7
 show_error_codes = True
 allow_redefinition = True