diff --git a/setup.cfg b/setup.cfg
index d0da957ba..8dd8cafc5 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -23,3 +23,4 @@ addopts =
 filterwarnings:
 	ignore:tostring:DeprecationWarning
 	ignore:fromstring:DeprecationWarning
+	ignore:.*bytes:DeprecationWarning:fs.base