diff --git a/Dockerfile b/Dockerfile
index 475e896..9116b8c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ubuntu:latest
+FROM ubuntu:22.10
 
 ENV GITHUB_BRANCH=sample-java-webapp-1
 ENV TOMCAT_VERSION=8.5.50