diff --git a/aws/lambda-function/sqs-sns_example/requirements.txt b/aws/lambda-function/sqs-sns_example/requirements.txt
index 7b6a25f..a3436dc 100644
--- a/aws/lambda-function/sqs-sns_example/requirements.txt
+++ b/aws/lambda-function/sqs-sns_example/requirements.txt
@@ -1,6 +1,6 @@
 boto3==1.4.4
 botocore==1.5.62
-certifi==2018.8.24
+certifi==2022.12.7
 chardet==3.0.4
 click==6.6
 docutils==0.12