diff --git a/package.json b/package.json
index f6766a1..92d4e07 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "express-handlebars": "^3.1.0",
     "express-ws": "^4.0.0",
     "query-string": "^6.11.1",
-    "twilio": "^3.42.2",
+    "twilio": "^4.0.0",
     "wavefile": "^11.0.0",
     "websocket-stream": "^5.5.0"
   },