diff --git a/services/accesstokenmanager/permission_definitions.json b/services/accesstokenmanager/permission_definitions.json
index ebcd20c28943f4d9c9fe0aa2128380845bfbc4a2..6edc4f68a6c4546eb6501d52ee932704bb94bf33 100644
--- a/services/accesstokenmanager/permission_definitions.json
+++ b/services/accesstokenmanager/permission_definitions.json
@@ -6361,6 +6361,16 @@
             "deprecated": "",
             "provisionEnable": true,
             "distributedSceneEnable": false
+        },
+        {
+            "name": "ohos.permission.MANAGE_SCREEN_TIME_GUARD",
+            "grantMode": "system_grant",
+            "availableLevel": "system_basic",
+            "availableType": "SYSTEM",
+            "since": 20,
+            "deprecated": "",
+            "provisionEnable": true,
+            "distributedSceneEnable": false
         }
     ]
 }
\ No newline at end of file