diff --git a/setup.cfg b/setup.cfg
index 2d4c64b5..5d75e318 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -75,6 +75,7 @@ xfail_strict = true
 filterwarnings =
   error
   ignore:numpy\.ndarray size changed:RuntimeWarning
+  ignore:unclosed file:ResourceWarning
   ignore:distutils Version classes are deprecated:DeprecationWarning
 
 [flake8]