diff --git a/Dockerfile b/Dockerfile
index 521d307..fb6d327 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM phusion/baseimage:master
+FROM phusion/baseimage:jammy-1.0.1
 
 RUN apt-get update && apt-get install -y sudo iproute2 iputils-ping