diff --git a/Dockerfile b/Dockerfile
index cb73473..2dd2330 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM ubuntu:16.04
 MAINTAINER sparklyballs
 
 # set version for s6 overlay
-ARG OVERLAY_VERSION="v1.18.1.5"
+ARG OVERLAY_VERSION="v1.19.1.1"
 ARG OVERLAY_ARCH="amd64"
 
 # set environment variables