diff --git a/Dockerfile b/Dockerfile
index b034122..e81b7a2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,9 @@
-FROM alpine:3.7
+FROM alpine:3.8
 
 LABEL maintainer="Luis Miguel Vicente Fuentes <kijart@gmail.com>"
 
 # monit environment variables
-ENV MONIT_VERSION=5.25.1 \
+ENV MONIT_VERSION=5.25.2 \
     MONIT_HOME=/opt/monit \
     MONIT_URL=https://mmonit.com/monit/dist \
     PATH=$PATH:/opt/monit/bin