diff --git a/aiohasupervisor/models/supervisor.py b/aiohasupervisor/models/supervisor.py
index ae8abff..488e999 100644
--- a/aiohasupervisor/models/supervisor.py
+++ b/aiohasupervisor/models/supervisor.py
@@ -53,3 +53,4 @@ class SupervisorOptions(Options):
     content_trust: bool | None = None
     force_security: bool | None = None
     auto_update: bool | None = None
+    country: str | None = None
diff --git a/tests/test_supervisor.py b/tests/test_supervisor.py
index cf2ee53..1af17b0 100644
--- a/tests/test_supervisor.py
+++ b/tests/test_supervisor.py
@@ -107,13 +107,23 @@ async def test_supervisor_options(
     responses.post(f"{SUPERVISOR_URL}/supervisor/options", status=200)
     assert (
         await supervisor_client.supervisor.set_options(
-            SupervisorOptions(debug=True, debug_block=True)
+            SupervisorOptions(debug=True, debug_block=True, country="NL")
         )
         is None
     )
     assert responses.requests.keys() == {
         ("POST", URL(f"{SUPERVISOR_URL}/supervisor/options"))
     }
+    assert (
+        request := responses.requests[
+            ("POST", URL(f"{SUPERVISOR_URL}/supervisor/options"))
+        ]
+    )
+    assert request[0].kwargs["json"] == {
+        "debug": True,
+        "debug_block": True,
+        "country": "NL",
+    }
 
 
 async def test_supervisor_repair(