diff --git a/Dockerfile b/Dockerfile
index 542f25f..eac796f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -15,7 +15,7 @@ ARG BASE_IMAGE=docker.io/library/tomcat:9-jre11-temurin-jammy
 
 
 # gosu for easy step-down from root - https://github.com/tianon/gosu/releases
-FROM docker.io/library/ubuntu:jammy-20230816 as gosu-builder
+FROM docker.io/library/ubuntu:jammy-20230916 as gosu-builder
 ARG GOSU_VERSION=1.16
 WORKDIR /work
 RUN <<EOF