diff --git a/tox.ini b/tox.ini
index d8cd2b53315..e427f8070c2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -43,6 +43,7 @@ filterwarnings =
     ignore:^pkg_resources is deprecated as an API$:DeprecationWarning:pkg_resources
     ignore:^pkg_resources is deprecated as an API:DeprecationWarning:pyramid
     ignore:^pkg_resources is deprecated as an API:DeprecationWarning:chameleon
+    ignore:^pkg_resources is deprecated as an API:DeprecationWarning:deform
 
     # Usage of deprecated method of urllib3 within the elasticsearch library
     ignore:^HTTPResponse.getheaders\(\) is deprecated and will be removed in urllib3 v2.1.0. Instead access HTTPResponse.headers directly.$:DeprecationWarning:elasticsearch