diff --git a/services/accesstokenmanager/permission_definitions.json b/services/accesstokenmanager/permission_definitions.json
index 85761d758eb79434bf579954d6539c21763d25dd..3a77175fa2d59b44aac601813a3a41073d1ee682 100644
--- a/services/accesstokenmanager/permission_definitions.json
+++ b/services/accesstokenmanager/permission_definitions.json
@@ -4551,6 +4551,17 @@
             "deprecated": "",
             "provisionEnable": true,
             "distributedSceneEnable": false
+        },
+        {
+            "name": "ohos.permission.ACCESSIBILITY_EXTENSION_ABILITY",
+            "grantMode": "system_grant",
+            "availableLevel": "system_basic",
+            "availableType": "SYSTEM",
+            "since": 20,
+            "deprecated": "",
+            "provisionEnable": true,
+            "distributedSceneEnable": false,
+            "deviceTypes": ["general"]
         }
     ],
     "userGrantPermissions": [