diff --git a/lambda/Dockerfile b/lambda/Dockerfile
index cfca436..5019475 100644
--- a/lambda/Dockerfile
+++ b/lambda/Dockerfile
@@ -1,4 +1,4 @@
-FROM amazonlinux:2023.2.20231113.0
+FROM amazonlinux:2023.9.20251110.1
 LABEL maintainer="Mutation Maker https://github.com/Merck/Mutation_Maker"
 
 # Basic Linux tools and Python 3.9