diff --git a/appengine/flexible/twilio/requirements.txt b/appengine/flexible/twilio/requirements.txt
index 3e1f5056805..a44c0dd5b08 100644
--- a/appengine/flexible/twilio/requirements.txt
+++ b/appengine/flexible/twilio/requirements.txt
@@ -1,3 +1,3 @@
 Flask==1.1.2
 gunicorn==20.0.4
-twilio==6.45.3
+twilio==6.45.4