diff --git a/README.md b/README.md
index 82f2df1..c0c4c91 100644
--- a/README.md
+++ b/README.md
@@ -928,7 +928,7 @@ then write the above files to `.cache/black/<version>/`.
 The following notable open-source projects trust _Black_ with enforcing a consistent
 code style: pytest, tox, Pyramid, Django Channels, Hypothesis, attrs, SQLAlchemy,
 Poetry, PyPA applications (Warehouse, Pipenv, virtualenv), pandas, Pillow, every Datadog
-Agent Integration.
+Agent Integration, Home Assistant.
 
 Are we missing anyone? Let us know.