diff --git a/tests/uptime_kuma_test_case.py b/tests/uptime_kuma_test_case.py
index a43e027..430ec05 100644
--- a/tests/uptime_kuma_test_case.py
+++ b/tests/uptime_kuma_test_case.py
@@ -80,6 +80,18 @@ class UptimeKumaTestCase(unittest.TestCase):
             for docker_host in docker_hosts:
                 self.api.delete_docker_host(docker_host["id"])
 
+        if parse_version(self.api.version) >= parse_version("1.19"):
+            # delete maintenances
+            maintenances = self.api.get_maintenances()
+            for maintenance in maintenances:
+                self.api.delete_maintenance(maintenance["id"])
+
+        if parse_version(self.api.version) >= parse_version("1.21"):
+            # delete api keys
+            api_keys = self.api.get_api_keys()
+            for api_key in api_keys:
+                self.api.delete_api_key(api_key["id"])
+
         # login again to receive initial messages
         self.api.disconnect()
         self.api = UptimeKumaApi(self.url)