diff --git a/setup.cfg b/setup.cfg
index a28236e..2bc3d45 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -69,3 +69,16 @@
 
 [bdist_wheel]
 universal = True
+
+[mypy]
+check_untyped_defs = true
+disallow_any_generics = true
+disallow_incomplete_defs = true
+disallow_untyped_defs = true
+no_implicit_optional = true
+
+[mypy-testing.*]
+disallow_untyped_defs = false
+
+[mypy-tests.*]
+disallow_untyped_defs = false