diff --git a/lambda-function/requirements.txt b/lambda-function/requirements.txt
index 8beb919..e120446 100644
--- a/lambda-function/requirements.txt
+++ b/lambda-function/requirements.txt
@@ -1,6 +1,6 @@
 boto3==1.26.120
 botocore==1.29.120
-certifi==2022.12.7
+certifi==2023.7.22
 charset-normalizer==3.1.0
 idna==3.4
 jmespath==1.0.1