diff --git a/mqtt-docker-compose.yml b/mqtt-docker-compose.yml
index f41c570..1ea40e2 100644
--- a/mqtt-docker-compose.yml
+++ b/mqtt-docker-compose.yml
@@ -12,4 +12,7 @@ services:
             - ${VOLUME_ROOT}/data:/mosquitto/data
             - ${VOLUME_ROOT}/log:/mosquitto/log
             - /etc/ssl/certs:/mosquitto/certs:ro
-        image: ${IMAGE}
\ No newline at end of file
+        image: ${IMAGE}
+        dns:
+            - ${DNS_SERVER}
+    
\ No newline at end of file