diff --git a/tox.ini b/tox.ini
index 08d0819..97d5717 100644
--- a/tox.ini
+++ b/tox.ini
@@ -14,6 +14,7 @@ deps =
 [pytest]
 filterwarnings=
     error
+    ignore:unclosed file:ResourceWarning
     ignore:Pyarrow will become a required dependency of pandas:DeprecationWarning
     ignore:can't resolve package from __spec__:ImportWarning
     ignore:The pandas.json module is deprecated:FutureWarning