diff --git a/nginx/nginx.conf b/nginx/nginx.conf
index 386c3cf..0c2a79e 100644
--- a/nginx/nginx.conf
+++ b/nginx/nginx.conf
@@ -8,6 +8,9 @@ http {
     sendfile      on;
     keepalive_timeout 65;
 
+    # Use Docker's internal DNS so upstream IPs re-resolve after container restarts
+    resolver 127.0.0.11 valid=10s ipv6=off;
+
     upstream api {
         server api:8000;
     }