diff --git a/neutron_tempest_plugin/api/test_timestamp.py b/neutron_tempest_plugin/api/test_timestamp.py
index 9ec982d..c3227a9 100644
--- a/neutron_tempest_plugin/api/test_timestamp.py
+++ b/neutron_tempest_plugin/api/test_timestamp.py
@@ -150,6 +150,7 @@
                          show_port['updated_at'])
 
     @decorators.idempotent_id('87a8b196-4b90-44f0-b7f3-d2057d7d658e')
+    @utils.requires_ext(extension='default-subnetpools', service='network')
     def test_create_subnetpool_with_timestamp(self):
         sp = self._create_subnetpool()
         # Verifies body contains timestamp fields
@@ -157,6 +158,7 @@
         self.assertIsNotNone(sp['updated_at'])
 
     @decorators.idempotent_id('d48c7578-c3d2-4f9b-a7a1-be2008c770a0')
+    @utils.requires_ext(extension='default-subnetpools', service='network')
     def test_update_subnetpool_with_timestamp(self):
         sp = self._create_subnetpool()
         origin_updated_at = sp['updated_at']
@@ -171,6 +173,7 @@
         self.assertIsNot(origin_updated_at, new_updated_at)
 
     @decorators.idempotent_id('1d3970e6-bcf7-46cd-b7d7-0807759c73b4')
+    @utils.requires_ext(extension='default-subnetpools', service='network')
     def test_show_subnetpool_attribute_with_timestamp(self):
         sp = self._create_subnetpool()
         body = self.client.show_subnetpool(sp['id'])