diff --git a/requirements.txt b/requirements.txt
index eaa220c7..e1e82682 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ asn1crypto==0.24.0
 attrs==19.1.0
 boto3==1.9.222
 botocore==1.12.222
-certifi==2019.6.16
+certifi==2023.7.22
 cffi==1.12.3
 chalice==1.11.0
 chardet==3.0.4