diff --git a/Dockerfile b/Dockerfile
index 289c453..7fe2ccc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # Original credit: https://github.com/jpetazzo/dockvpn
 
 # Smallest base image
-FROM ubuntu:18.04@sha256:6654ae91f6ffadc48279273becce4ceba3c8f7cd312230f28b3082ecb2d3dec5
+FROM ubuntu:18.04@sha256:45c6f8f1b2fe15adaa72305616d69a6cd641169bc8b16886756919e7c01fa48b
 
 LABEL maintainer="lawtancool"