diff --git a/openspec/changes/user-accounts/tasks.md b/openspec/changes/user-accounts/tasks.md
index 3a8155e..6e30090 100644
--- a/openspec/changes/user-accounts/tasks.md
+++ b/openspec/changes/user-accounts/tasks.md
@@ -81,7 +81,7 @@
 
 ## 14. ML Service User Scoping
 
-- [ ] 14.1 `[haiku]` Update FastAPI service to read `X-User-ID` header from incoming requests
+- [x] 14.1 `[haiku]` Update FastAPI service to read `X-User-ID` header from incoming requests
 - [ ] 14.2 `[haiku]` Scope MLflow experiment names to include user ID (e.g., `user_{uuid}_training`)
 - [ ] 14.3 `[sonnet]` Scope training run queries in FastAPI to filter by user ID