diff --git a/homeassistant/components/fan/__init__.py b/homeassistant/components/fan/__init__.py
index baee50b4c2d..55732041131 100644
--- a/homeassistant/components/fan/__init__.py
+++ b/homeassistant/components/fan/__init__.py
@@ -323,7 +323,7 @@ class FanEntity(ToggleEntity):
         return self._attr_oscillating
 
     @property
-    def capability_attributes(self) -> dict[str, Any]:
+    def capability_attributes(self) -> dict[str, list[str] | None]:
         """Return capability attributes."""
         attrs = {}