diff --git a/distributed/distributed.yaml b/distributed/distributed.yaml
index fe37904636..ec1a48aa9e 100644
--- a/distributed/distributed.yaml
+++ b/distributed/distributed.yaml
@@ -280,11 +280,13 @@ distributed:
         - coiled
         - cudf
         - cuml
+        - matplotlib
         - pluggy  # part of pytest
         - prefect
         - rechunker
         - xarray
         - xgboost
+        - xdist
       ignore-files:
         - runpy\.py  # `python -m pytest` (or other module) shell command
         - pytest  # `pytest` shell command