diff --git a/tox.ini b/tox.ini
index 3de95020155e2c895d1288b84262f9f4741170f3..65f7fe37e45375d39ab95a9a377c433c0d354bc7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -32,7 +32,7 @@ extras =
   testing
   graph
 deps =
-  mypy==0.920
+  mypy==0.942
 commands =
   mypy swh