diff --git a/Dockerfile b/Dockerfile
index 3564789..135a942 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,10 @@
 FROM alpine:3.9
 LABEL maintainer="Sebastian Hugentobler <sebastian@vanwa.ch>"
 
-ENV S6_OVERLAY_VERSION=v1.21.8.0
+ENV S6_OVERLAY_VERSION=v1.22.0.0
 ENV LANG=en_US.UTF-8
     
-RUN apk --no-cache add libressl syslog-ng
+RUN apk --no-cache add syslog-ng
 RUN wget -qO- https://github.com/just-containers/s6-overlay/releases/download/$S6_OVERLAY_VERSION/s6-overlay-amd64.tar.gz | tar -xz -C /
 
 RUN apk --no-cache upgrade