diff --git a/tox.ini b/tox.ini
index dcb8e80..f0e205b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,5 +14,6 @@ description = run the tests with pytest
 deps =
     pytest>=8
     -r requirements.txt
+passenv = *
 commands =
     python -m pytest