diff --git a/googleapiclient/discovery_cache/documents/cloudiot.v1.json b/googleapiclient/discovery_cache/documents/cloudiot.v1.json
index 18a4dd9246e..965117a2863 100644
--- a/googleapiclient/discovery_cache/documents/cloudiot.v1.json
+++ b/googleapiclient/discovery_cache/documents/cloudiot.v1.json
@@ -938,7 +938,7 @@
       }
     }
   },
-  "revision": "20210510",
+  "revision": "20210525",
   "rootUrl": "https://cloudiot.googleapis.com/",
   "schemas": {
     "BindDeviceToGatewayRequest": {