diff --git a/app/main.py b/app/main.py
index 07af960..82b37ae 100644
--- a/app/main.py
+++ b/app/main.py
@@ -16,9 +16,10 @@ from sqlalchemy.orm import Session
 from starlette.responses import HTMLResponse as _HR
 
 from config import (
-    COOKIE_NAME, CSRF_COOKIE, LOG_LEVEL, LOG_SLOW_REQUEST_MS,
+    COOKIE_NAME, CSRF_COOKIE, GO_POOL_LOCK_TIMEOUT_SECONDS,
+    GO_USER_LOCK_TIMEOUT_SECONDS, LOG_LEVEL, LOG_SLOW_REQUEST_MS,
     MAX_ACTIVE_SERVICES_PER_USER, PUBLIC_HOST, SESSION_IDLE_SECONDS,
-    WEB_POOL_SIZE,
+    WEB_POOL_BUFFER, WEB_POOL_SIZE,
 )
 from database import get_db
 from models import (