diff --git a/tox.ini b/tox.ini
index 90e2429161..cf6572498e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -25,7 +25,7 @@ whitelist_externals =
     sudo
 setenv =
     VIRTUAL_ENV={envdir}
-
+    PYTHONWARNINGS=default::DeprecationWarning
 
 [testenv:docs]
 commands=