diff --git a/netbox_dhcp/api/serializers_/client_class.py b/netbox_dhcp/api/serializers_/client_class.py
index 675311b..db6104d 100644
--- a/netbox_dhcp/api/serializers_/client_class.py
+++ b/netbox_dhcp/api/serializers_/client_class.py
@@ -5,6 +5,7 @@
 from netbox_dhcp.models import ClientClass
 
 from .option import OptionSerializer
+from .dhcp_server import DHCPServerSerializer
 
 __all__ = ("ClientClassSerializer",)
 
@@ -54,6 +55,11 @@ class Meta:
         view_name="plugins-api:netbox_dhcp-api:clientclass-detail"
     )
 
+    dhcp_server = DHCPServerSerializer(
+        nested=True,
+        read_only=False,
+        required=True,
+    )
     options = OptionSerializer(
         nested=True,
         many=True,