diff --git a/iot/http_example/package.json b/iot/http_example/package.json
index 2da4f72d29..ac3f8b1ba9 100644
--- a/iot/http_example/package.json
+++ b/iot/http_example/package.json
@@ -16,6 +16,7 @@
     "ava": "0.22.0",
     "jsonwebtoken": "7.4.1",
     "retry-request": "3.3.1",
+    "semistandard": "^12.0.1",
     "uuid": "3.1.0",
     "yargs": "8.0.2"
   },