diff --git a/dashboard/ui/nginx.conf b/dashboard/ui/nginx.conf
index d55ac91..beb640f 100644
--- a/dashboard/ui/nginx.conf
+++ b/dashboard/ui/nginx.conf
@@ -10,7 +10,9 @@ server {
 
     # API 프록시 → 백엔드 컨테이너
     location /api/ {
-        proxy_pass http://dashboard-api:8080;
+        resolver 127.0.0.11 valid=10s;
+        set $backend http://dashboard-api:8080;
+        proxy_pass $backend;
         proxy_set_header Host $host;
         proxy_set_header X-Real-IP $remote_addr;
     }