diff --git a/mastodon/types.py b/mastodon/types.py
index 318fb51..28f402e 100644
--- a/mastodon/types.py
+++ b/mastodon/types.py
@@ -1,3 +1,4 @@
+from __future__ import annotations # pythong < 3.9 compat
 from datetime import datetime
 from typing import Union, Optional, Tuple, List, IO, Dict
 from mastodon.types_base import AttribAccessDict, IdType, MaybeSnowflakeIdType, PrimitiveIdType, EntityList, PaginatableList, NonPaginatableList, PathOrFile, WebpushCryptoParamsPubkey, WebpushCryptoParamsPrivkey, try_cast_recurse, try_cast