diff --git a/pyproject.toml b/pyproject.toml
index 3c6ef8c..80d0d86 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ dependencies = ["python-dateutil", "feedparser==6.0.10", "homeassistant"]
 [project.optional-dependencies]
 dev = [
   "black",
-  "homeassistant-stubs==2023.8.1",
+  "homeassistant-stubs==2023.9.3",
   "pytest==7.4.2",
   "mypy",
   "ruff",