diff --git a/Dockerfile b/Dockerfile
index 50e17a9..e626285 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,15 +1,15 @@
-FROM alpine:3.11 as build
+FROM alpine:3.14 as build
 LABEL maintainer="David Chidell (dchidell@cisco.com)"
 
 FROM build as webproc
-ENV WEBPROC_VERSION 0.2.2
-ENV WEBPROC_URL https://github.com/jpillora/webproc/releases/download/$WEBPROC_VERSION/webproc_linux_amd64.gz
+ENV WEBPROCVERSION 0.4.0
+ENV WEBPROCURL https://github.com/jpillora/webproc/releases/download/v$WEBPROCVERSION/webproc_"$WEBPROCVERSION"_linux_amd64.gz
 RUN apk add --no-cache curl
-RUN curl -sL $WEBPROC_URL | gzip -d - > /usr/local/bin/webproc
+RUN curl -sL $WEBPROCURL | gzip -d - > /usr/local/bin/webproc
 RUN chmod +x /usr/local/bin/webproc
 
 FROM build as dnsmasq
 RUN apk --no-cache add dnsmasq
 COPY --from=webproc /usr/local/bin/webproc /usr/local/bin/webproc
-ENTRYPOINT ["webproc","--on-exit","restart","--config","/etc/dnsmasq.conf,/etc/hosts,/etc/resolv.conf","--","dnsmasq","-k","--log-facility=-"]
+ENTRYPOINT ["webproc","-o","restart","-c","/etc/dnsmasq.conf","-c","/etc/hosts","-c","/etc/resolv.conf","--","dnsmasq","-k","--log-facility=-"]
 EXPOSE 53/udp 8080