diff --git a/python/tox.ini b/python/tox.ini
index bc320b879..df5c3c8d3 100644
--- a/python/tox.ini
+++ b/python/tox.ini
@@ -50,7 +50,7 @@ commands =
 
 [testenv:mypy]
 deps =
-    mypy
+    mypy==1.18.2
     typing
     types-setuptools
     types-requests