diff --git a/starlette/datastructures.py b/starlette/datastructures.py
index 5149a6e2e..17dc46eb6 100644
--- a/starlette/datastructures.py
+++ b/starlette/datastructures.py
@@ -266,7 +266,7 @@ def __init__(
         self._dict = {k: v for k, v in _items}
         self._list = _items
 
-    def getlist(self, key: typing.Any) -> typing.List[str]:
+    def getlist(self, key: typing.Any) -> typing.List[typing.Any]:
         return [item_value for item_key, item_value in self._list if item_key == key]
 
     def keys(self) -> typing.KeysView: