diff --git a/tests/test_settings.py b/tests/test_settings.py
index 2ebd4c8..5f0d158 100644
--- a/tests/test_settings.py
+++ b/tests/test_settings.py
@@ -28,6 +28,10 @@ class TestSettings(UptimeKumaTestCase):
         r = self.api.set_settings(self.password, **expected_settings)
         self.assertEqual(r["msg"], "Saved")
 
+        # set settings without password
+        r = self.api.set_settings(**expected_settings)
+        self.assertEqual(r["msg"], "Saved")
+
         # get settings
         settings = self.api.get_settings()
         self.compare(settings, expected_settings)
diff --git a/uptime_kuma_api/api.py b/uptime_kuma_api/api.py
index 0e027d8..a8177df 100644
--- a/uptime_kuma_api/api.py
+++ b/uptime_kuma_api/api.py
@@ -853,7 +853,7 @@ class UptimeKumaApi(object):
 
     def set_settings(
             self,
-            password: str,
+            password: str = None,  # only required if disableAuth is true
 
             # about
             checkUpdate: bool = True,