diff --git a/tox.ini b/tox.ini
index 5b84ae87..9318ed13 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,7 +15,7 @@ deps =
   pint  # Use latest version to catch API changes.
   pytest
   pytest-cov
-  pytype==2024.9.13
+  pytype
 commands =
   pytest {posargs}
 # Install package as wheel in all envs (https://hynek.me/articles/turbo-charge-tox/).