diff --git a/tox.ini b/tox.ini
index 2e36e689..6b866c51 100644
--- a/tox.ini
+++ b/tox.ini
@@ -34,10 +34,10 @@ commands = pytest {env:PYTESTARGS} {posargs}
 [testenv:lint]
 basepython=python3
 deps =
-    black
+    black>=25,<26
     twine
-    isort
-    mypy
+    isort>=5,<6
+    mypy>=1,<2
     build
 commands =
     black --check src tests conftest.py --exclude tests/test_functions/background_load_error/main.py