diff --git a/packages/@aws-cdk/aws-lambda-python-alpha/test/lambda-handler-custom-build/requirements.txt b/packages/@aws-cdk/aws-lambda-python-alpha/test/lambda-handler-custom-build/requirements.txt
index e57512c4102d5..a1d408571902e 100644
--- a/packages/@aws-cdk/aws-lambda-python-alpha/test/lambda-handler-custom-build/requirements.txt
+++ b/packages/@aws-cdk/aws-lambda-python-alpha/test/lambda-handler-custom-build/requirements.txt
@@ -2,6 +2,6 @@
 certifi==2024.7.4
 chardet==3.0.4
 idna==3.7
-urllib3==1.26.18
+urllib3==1.26.19
 # Requests used by this lambda
 requests==2.31.0