diff --git a/.opencode/command/changelog.md b/.opencode/command/changelog.md
index b28d963d00..d4c87f4cb3 100644
--- a/.opencode/command/changelog.md
+++ b/.opencode/command/changelog.md
@@ -1,5 +1,5 @@
 ---
-model: opencode/gpt-5.4
+model: opencode/gpt-6-luna
 ---
 
 Create `UPCOMING_CHANGELOG.md` from the structured changelog input below.