diff --git a/hooks/log_artifact_entry.py b/hooks/log_artifact_entry.py
index 3d77b40..8960850 100644
--- a/hooks/log_artifact_entry.py
+++ b/hooks/log_artifact_entry.py
@@ -35,6 +35,8 @@
 resolve are dropped, and duplicates are removed. {content_length} is
 available when the artifact's top level is a list, {filename} always.
 """
+from __future__ import annotations
+
 import json
 import os
 import re