diff --git a/appengine/twilio/package.json b/appengine/twilio/package.json
index 51ec1959fb..38168010c5 100644
--- a/appengine/twilio/package.json
+++ b/appengine/twilio/package.json
@@ -14,6 +14,6 @@
   "dependencies": {
     "body-parser": "1.18.3",
     "express": "4.16.4",
-    "twilio": "3.26.1"
+    "twilio": "4.0.0"
   }
 }