diff --git a/tox.ini b/tox.ini
index 3ff5bab..9b043da 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,10 +16,10 @@ envlist =
 
 [gh-actions]
 python =
-    3.8: py38, cercis, check-self, flake8-basic, flake8-misc, flake8-docstrings, pre-commit
-    3.9: py39, cercis, check-self, flake8-basic, flake8-misc, flake8-docstrings, pre-commit
-    3.10: py310, cercis, check-self, flake8-basic, flake8-misc, flake8-docstrings, pre-commit
-    3.11: py311, cercis, check-self, flake8-basic, flake8-misc, flake8-docstrings, pre-commit
+    3.8: py38, mypy, cercis, check-self, flake8-basic, flake8-misc, flake8-docstrings, pre-commit
+    3.9: py39, mypy, cercis, check-self, flake8-basic, flake8-misc, flake8-docstrings, pre-commit
+    3.10: py310, mypy, cercis, check-self, flake8-basic, flake8-misc, flake8-docstrings, pre-commit
+    3.11: py311, mypy, cercis, check-self, flake8-basic, flake8-misc, flake8-docstrings, pre-commit
 
 
 [testenv:mypy]