diff --git a/tools_webrtc/ios/internal.client.webrtc/iOS64_Release.json b/tools_webrtc/ios/internal.client.webrtc/iOS64_Release.json
index 3348039dad..89e60eacea 100644
--- a/tools_webrtc/ios/internal.client.webrtc/iOS64_Release.json
+++ b/tools_webrtc/ios/internal.client.webrtc/iOS64_Release.json
@@ -23,7 +23,7 @@
     {
       "include": "real_device_tests.json",
       "device type": "iPhone 7",
-      "os": "11.0"
+      "os": "11.2.1"
     }
   ],
   "expiration_time": 3600
diff --git a/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_rel.json b/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_rel.json
index 3348039dad..89e60eacea 100644
--- a/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_rel.json
+++ b/tools_webrtc/ios/internal.tryserver.webrtc/ios_arm64_rel.json
@@ -23,7 +23,7 @@
     {
       "include": "real_device_tests.json",
       "device type": "iPhone 7",
-      "os": "11.0"
+      "os": "11.2.1"
     }
   ],
   "expiration_time": 3600