diff --git a/python/mpkhs/aws/privatekey_synthetic/requirements.txt b/python/mpkhs/aws/privatekey_synthetic/requirements.txt
index df067c63..0110dab9 100644
--- a/python/mpkhs/aws/privatekey_synthetic/requirements.txt
+++ b/python/mpkhs/aws/privatekey_synthetic/requirements.txt
@@ -1,5 +1,5 @@
 aws_requests_auth==0.4.3
-certifi==2022.12.7
+certifi==2024.7.4
 requests==2.28.2
 urllib3==1.26.14
 awscrt==0.16.16