diff --git a/conf/kea-dhcp4.conf.env b/conf/kea-dhcp4.conf.env
index 3c939d8..6d338c9 100644
--- a/conf/kea-dhcp4.conf.env
+++ b/conf/kea-dhcp4.conf.env
@@ -295,7 +295,10 @@
             "option-data": [{
                     "name": "routers",
                     "data": "10.233.3.1"
-            }]
+            }],
+            "relay": {
+                "ip-addresses": ["10.233.3.3"]
+            }
         },
         {
             "subnet": "10.233.4.0/24",