diff --git a/Dockerfile b/Dockerfile
index 7fe2ccc..75e8440 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # Original credit: https://github.com/jpetazzo/dockvpn
 
 # Smallest base image
-FROM ubuntu:18.04@sha256:45c6f8f1b2fe15adaa72305616d69a6cd641169bc8b16886756919e7c01fa48b
+FROM ubuntu:18.04@sha256:a7fa45fb43d471f4e66c5b53b1b9b0e02f7f1d37a889a41bbe1601fac70cb54e
 
 LABEL maintainer="lawtancool"