diff --git a/lambda/primer3-build-env/Dockerfile b/lambda/primer3-build-env/Dockerfile
index e3382f2..0ff6819 100644
--- a/lambda/primer3-build-env/Dockerfile
+++ b/lambda/primer3-build-env/Dockerfile
@@ -1,4 +1,4 @@
-FROM amazonlinux:2.0.20220719.0
+FROM amazonlinux:2.0.20251208.0
 LABEL maintainer="Mutation Maker https://github.com/Merck/Mutation_Maker"
 
 # Basic Linux tools