diff --git a/vaccine-standby/package.json b/vaccine-standby/package.json
index e9aa92da9..b4b369b95 100644
--- a/vaccine-standby/package.json
+++ b/vaccine-standby/package.json
@@ -3,6 +3,6 @@
   "version": "1.0.0",
   "private": true,
   "dependencies": {
-    "twilio": "^3.61.0"
+    "twilio": "^4.19.3"
   }
 }