diff --git a/Dockerfile b/Dockerfile
index 30fd922..6cff094 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,7 @@
-ARG SU_EXEC_VER=0.3
 ARG ALPINE_TAG=3.8
 
 FROM alpine:$ALPINE_TAG
 
-ARG SU_EXEC_VER
 ARG ALPINE_TAG
 
 LABEL maintainer="Spritsail <alpine@spritsail.io>" \
@@ -11,19 +9,17 @@ LABEL maintainer="Spritsail <alpine@spritsail.io>" \
       org.label-schema.name="Alpine Linux" \
       org.label-schema.url="https://github.com/gliderlabs/docker-alpine" \
       org.label-schema.description="Alpine Linux base image" \
-      org.label-schema.version=${ALPINE_TAG} \
-      io.spritsail.version.su-exec=${SU_EXEC_VER}
+      org.label-schema.version=${ALPINE_TAG}
 
 # Override shell for sh-y debugging goodness
 SHELL ["/bin/sh", "-exc"]
 
 COPY skel/ /
 ENV ENV="/etc/profile"
-RUN apk --no-cache add \
-        tini \
-        libressl \
- && wget -qO /sbin/su-exec https://github.com/frebib/su-exec/releases/download/v${SU_EXEC_VER}/su-exec-alpine-$(uname -m) \
- && chmod +x /sbin/su-exec \
- && apk --no-cache del openssl
+RUN sed -i '1ihttp://alpine.spritsail.io/spritsail' /etc/apk/repositories \
+ && wget -P /etc/apk/keys https://alpine.spritsail.io/spritsail-alpine.rsa.pub \
+ && apk --no-cache add \
+        su-exec \
+        tini
 
 ENTRYPOINT ["/sbin/tini" , "--"]