diff --git a/packages/@aws-cdk/aws-lambda-python/test/lambda-handler-custom-build/requirements.txt b/packages/@aws-cdk/aws-lambda-python/test/lambda-handler-custom-build/requirements.txt
index 4fcd85719fe3a..d9a8c0518bf37 100644
--- a/packages/@aws-cdk/aws-lambda-python/test/lambda-handler-custom-build/requirements.txt
+++ b/packages/@aws-cdk/aws-lambda-python/test/lambda-handler-custom-build/requirements.txt
@@ -1,5 +1,5 @@
 # Lock versions of pip packages
-certifi==2020.6.20
+certifi==2022.12.7
 chardet==3.0.4
 idna==2.10
 urllib3==1.26.7