diff --git a/Dockerfile b/Dockerfile
index a6ba075..0716db6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.13.3 AS build
+FROM alpine:3.13.4 AS build
 ENV EMAIL monit@sutty.nl
 
 RUN apk add --no-cache tzdata
@@ -7,7 +7,7 @@ COPY ./monitrc /etc/monitrc
 RUN chmod 600 /etc/monitrc
 RUN sed -re "s/@@EMAIL@@/${EMAIL}/" -i /etc/monitrc
 
-FROM alpine:3.13.3
+FROM alpine:3.13.4
 MAINTAINER "f <f@sutty.nl>"
 
 # TODO: We don't want to receive lots of email, so we'll change this to