diff --git a/packages/ai/CHANGELOG.md b/packages/ai/CHANGELOG.md
index e4bb1d7bc..5ec5238e4 100644
--- a/packages/ai/CHANGELOG.md
+++ b/packages/ai/CHANGELOG.md
@@ -25,6 +25,9 @@
 - Fixed direct Anthropic Claude Opus requests failing with HTTP 400 when the endpoint rejects strict tool fields.
 - Fixed usage-based credential ranking for Anthropic accounts where a missing long-window (7-day) metric was incorrectly treated as a short-window metric.
 - Fixed legacy Codex usage blocks continuing to gate all models after per-meter backoff was introduced, splitting the old shared scope into independent chat and spark blocks while maintaining backward compatibility with older clients and database schemas.
+### Fixed
+
+- Fixed Google Gemini and Vertex tool declarations carrying numeric, boolean, object-valued, or mixed `enum` arrays that the Google Schema wire type cannot represent. Unsupported enums are omitted while valid string enums remain constrained.
 
 ## [17.1.8] - 2026-07-28
 
@@ -33,7 +36,6 @@
 - Fixed an HTTP 400 error when resuming or replaying OpenAI history after an interrupted native Computer Use turn.
 - Fixed connection 404 errors when using Google Vertex AI in multi-region locations (eu and us) by correctly resolving regional endpoint (REP) hosts.
 - Fixed a resource leak in SqliteAuthCredentialStore.close() where unclosed prepared statements kept the SQLite connection alive, preventing database file cleanup (especially on Windows where files remained locked).
-- Fixed Google Gemini and Vertex tool declarations carrying numeric, boolean, object-valued, or mixed `enum` arrays that the Google Schema wire type cannot represent. Unsupported enums are omitted while valid string enums remain constrained.
 
 ## [17.1.7] - 2026-07-27