diff --git a/Dockerfile b/Dockerfile
index 55e2333..569abf7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
-FROM php:7.2-rc-alpine
+FROM php:7.2-cli-alpine
 
-ARG DOCKER_COMPOSE_VERSION=1.15.0
+ARG DOCKER_COMPOSE_VERSION=1.21.2
 ARG RANCHER_COMPOSE_VERSION=0.12.5
 ARG RANCHERIZE_HOME=/home/rancherize
 ARG DEFAULT_EDITOR=vi