diff --git a/heat_tempest_plugin/config.py b/heat_tempest_plugin/config.py
index cb3adcd..877574f 100644
--- a/heat_tempest_plugin/config.py
+++ b/heat_tempest_plugin/config.py
@@ -170,6 +170,9 @@
     cfg.StrOpt('credential_secret_id',
                help="Barbican secret id which storing cloud credential in "
                "remote site."),
+    cfg.ListOpt('dns_servers',
+                default=(['8.8.8.8', '8.8.4.4']),
+                help='Configure custom DNS servers'),
     cfg.BoolOpt('vm_to_heat_api_insecure',
                 default=False,
                 help="Set this to True if VM images used for tests "
diff --git a/heat_tempest_plugin/tests/scenario/test_server_signal.py b/heat_tempest_plugin/tests/scenario/test_server_signal.py
index c4deb3c..c2ab1ae 100644
--- a/heat_tempest_plugin/tests/scenario/test_server_signal.py
+++ b/heat_tempest_plugin/tests/scenario/test_server_signal.py
@@ -31,7 +31,8 @@
             'image': image,
             'public_net': self.conf.floating_network_name,
             'timeout': self.conf.build_timeout,
-            'user_data_format': user_data_format
+            'user_data_format': user_data_format,
+            'dns_servers': self.conf.dns_servers
         }
         if self.conf.vm_to_heat_api_insecure:
             parameters['wc_extra_args'] = '--insecure'