diff --git a/mcp/wrangler.stage.toml b/mcp/wrangler.stage.toml
index 8f98c44..e0927e2 100644
--- a/mcp/wrangler.stage.toml
+++ b/mcp/wrangler.stage.toml
@@ -36,7 +36,7 @@ MCP_OWNER_NAMESPACE = "yuga3bse"
 KBDB_BASE_URL = "https://arcrun-kbdb.youlin-hsieh-dev.workers.dev"
 UI_ORIGINS = "https://arcrun-rag-ui.youlin-hsieh-dev.workers.dev"
 # 部署標記，GET /health 原樣回報。每次重推 stage 就換一個，別讓它跟線上脫節。
-MCP_BUILD = "stage-2026-08-10+5b231e6"
+MCP_BUILD = "stage-2026-08-10+45f1c09"
 
 [[services]]
 binding = "COMPONENT_REGISTRY"