diff --git a/tests/base/hmi/flask/test_routes.py b/tests/base/hmi/flask/test_routes.py
index dbf081fd..c3010b55 100644
--- a/tests/base/hmi/flask/test_routes.py
+++ b/tests/base/hmi/flask/test_routes.py
@@ -23,4 +23,4 @@ def test_api_documentation(self):
         response = self.client.get("/documentation")
         self.assertEqual(response.status_code, 200)
         self.assertEqual(response.content_type, "application/json")
-        self.assertIn('"openapi": "3.0.3"', response.text)
+        self.assertIn('"openapi": "3.1.0"', response.text)
diff --git a/vtaskr/libs/openapi/templates/openapi.json.jinja2 b/vtaskr/libs/openapi/templates/openapi.json.jinja2
index 7eb5402e..ebd16e98 100644
--- a/vtaskr/libs/openapi/templates/openapi.json.jinja2
+++ b/vtaskr/libs/openapi/templates/openapi.json.jinja2
@@ -1,5 +1,5 @@
 {
-  "openapi": "3.0.3",
+  "openapi": "3.1.0",
   "info": {{ openapi.infos|tojson }},
   "servers": [
     {% for server in openapi.servers %}