diff --git a/offline-backend-20260512/.env b/offline-backend-20260512/.env
index 0b4347dd..50aa890e 100644
--- a/offline-backend-20260512/.env
+++ b/offline-backend-20260512/.env
@@ -17,7 +17,7 @@ SERPER_API_KEY=your-serper-api-key
 # AUTH_JWT_SECRET must stay stable across restarts, or existing logins expire.
 # GATEWAY_CORS_ORIGINS must include the exact frontend origins, separated by commas.
 AUTH_JWT_SECRET=i3_BiBK44sYHiFIkChhDs46y57ZewJKO3diQDw01anI
-GATEWAY_CORS_ORIGINS=http://localhost:5173,http://127.0.0.1:5173
+GATEWAY_CORS_ORIGINS=http://localhost:5173,http://127.0.0.1:5173,http://localhost:5174,http://127.0.0.1:5174
 GATEWAY_CORS_ALLOW_ALL=0
 GATEWAY_ENABLE_DOCS=true
 GATEWAY_WORKERS=2