diff --git a/setup.cfg b/setup.cfg
index 4eecd4e..7c8a755 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -31,3 +31,17 @@ packages =
 [flake8]
 max-line-length = 88
 ignore = E203,E501,E741,W503
+
+[mypy]
+# python_version = 3.9
+disallow_untyped_defs = true
+disallow_incomplete_defs = true
+no_implicit_optional = true
+show_column_numbers = true
+show_error_context = true
+ignore_missing_imports = true
+follow_imports = skip
+check_untyped_defs = true
+warn_unused_ignores = true
+warn_return_any = true
+strict_optional = false
diff --git a/tox.ini b/tox.ini
index f044740..fb4c757 100644
--- a/tox.ini
+++ b/tox.ini
@@ -24,6 +24,13 @@ deps =
 commands =
     flake8 {toxinidir}/sphinx_click/
 
+[testenv:mypy]
+deps =
+    mypy
+    types-docutils
+commands =
+    mypy sphinx_click
+
 [testenv:docs]
 commands =
     pip install -e {toxinidir}/examples/