diff --git a/scripts/deploy-rolling.sh b/scripts/deploy-rolling.sh
index 09c9ef4..6e3776a 100755
--- a/scripts/deploy-rolling.sh
+++ b/scripts/deploy-rolling.sh
@@ -36,16 +36,20 @@ set_drain() {
     --network-load-balancer-id "$NLB_ID" \
     --backend-set-name snackgame-http \
     --backend-name "$HTTP_BACKEND" \
-    --is-drain "$is_drain" \
-    --wait-for-state SUCCEEDED
+    --is-drain "$is_drain"
 
   oci nlb backend update \
     --auth instance_principal \
     --network-load-balancer-id "$NLB_ID" \
     --backend-set-name snackgame-https \
     --backend-name "$HTTPS_BACKEND" \
-    --is-drain "$is_drain" \
-    --wait-for-state SUCCEEDED
+    --is-drain "$is_drain"
+
+
+  if [ "$is_drain" = "true" ]; then
+    echo "[NLB] 드레인 적용 대기 중 (10초)..."
+    sleep 10
+  fi
 }