diff --git a/tox.ini b/tox.ini
index 394f961c9cf461ed145ea3cc2df876b7b9b10b56..f75799ad30eed0470ddf1b666682f7f5d16fabc2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -48,7 +48,7 @@ commands =
 extras =
   testing
 deps =
-  mypy>1.4
+  mypy==1.8.0
 commands =
   mypy swh