diff --git a/days/051-twilio/code/requirements.txt b/days/051-twilio/code/requirements.txt
index 662ec61a..34f9d482 100644
--- a/days/051-twilio/code/requirements.txt
+++ b/days/051-twilio/code/requirements.txt
@@ -1,4 +1,4 @@
-certifi==2019.3.9
+certifi==2022.12.7
 chardet==3.0.4
 idna==2.8
 PyJWT==1.7.1