diff --git a/README.md b/README.md
index 763c33b..d1b495b 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ This repository contains an easy to replicate recipe to spin up a [Kopano](https
 
 ## How to get started?
 
-- make sure that you are running a recent enought version of Docker and [Docker Compose](https://docs.docker.com/compose/install/)
+- make sure that you are running at least Docker 17.06.0 and [Docker Compose](https://docs.docker.com/compose/install/) 1.19.0.
 - clone this repository to your local disk
 - run `setup.sh`
   - this script will ask you a few questions about your environment.
diff --git a/build/Dockerfile b/build/Dockerfile
index 650f016..48d8500 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -1,5 +1,5 @@
 FROM docker:18.09.6
-ENV COMPOSE_VERSION "1.23.2"
+ENV COMPOSE_VERSION "1.19.0"
 ENV REG_VERSION "0.16.0"
 RUN apk add --no-cache bash curl expect make nano jq py-pip
 RUN pip install --no-cache-dir docker-compose==${COMPOSE_VERSION}