diff --git a/setup.cfg b/setup.cfg
index b7e4789..9fa6f8c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,2 +1,6 @@
 [aliases]
 test=pytest
+
+[tool:pytest]
+filterwarnings =
+  ignore::DeprecationWarning:html5lib