diff --git a/lambdas/start-transcription/requirements.txt b/lambdas/start-transcription/requirements.txt
index 38747e9..2cbe97a 100644
--- a/lambdas/start-transcription/requirements.txt
+++ b/lambdas/start-transcription/requirements.txt
@@ -1,6 +1,6 @@
 boto3==1.9.18
 botocore==1.12.18
-certifi==2018.8.24
+certifi==2022.12.7
 chardet==3.0.4
 docutils==0.14
 idna==2.7