diff --git a/tests/fixtures/users/permission.json b/tests/fixtures/users/permission.json
index cee98b6a..b33f7cbb 100644
--- a/tests/fixtures/users/permission.json
+++ b/tests/fixtures/users/permission.json
@@ -5,5 +5,13 @@
         {
             "username": "user1"
         }
+    ],
+    "constraints": [
+        {
+            "status": "active"
+        },
+        {
+            "region__name": "Europe"
+        }
     ]
 }
diff --git a/tests/test_users.py b/tests/test_users.py
index 9b3eb6c8..700459cb 100644
--- a/tests/test_users.py
+++ b/tests/test_users.py
@@ -104,6 +104,14 @@ def test_username(self, _):
         user = permission.users[0]
         self.assertEqual(str(user), "user1")
 
+    @patch(
+        "requests.sessions.Session.get",
+        return_value=Response(fixture="users/permission.json"),
+    )
+    def test_constraints(self, _):
+        permission = nb.permissions.get(1)
+        self.assertTrue(isinstance(permission.constraints[0], dict))
+
 
 class UnknownModelTestCase(unittest.TestCase):
     """This test validates that an unknown model is returned as Record object