diff --git a/tox.ini b/tox.ini
index 78f7b35..c000e5d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -37,7 +37,6 @@ commands =
     flake8 pddl tests
 
 [testenv:mypy]
-skip_install = True
 deps =
     mypy>=1.3.0,<1.4.0
     types-click>=7.1.8,<7.2.0