diff --git a/Dockerfile b/Dockerfile
index 09be599..e6e1f46 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # Original credit: https://github.com/jpetazzo/dockvpn
 
 # Smallest base image
-FROM ubuntu:18.04@sha256:538529c9d229fb55f50e6746b119e899775205d62c0fc1b7e679b30d02ecb6e8
+FROM ubuntu:18.04@sha256:04919776d30640ce4ed24442d5f7c1a8e4bd0e4793ed9469843cedaecb0d72fb
 
 LABEL maintainer="lawtancool"