diff --git a/Dockerfile b/Dockerfile
index 6c685b2..e2f418e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,6 +13,7 @@ RUN adduser -s /bin/sh -G www-data -h /srv -D rails
 RUN install -dm 750 -o rails -g www-data /srv
 
 RUN apk add --no-cache jemalloc daemonize
+RUN gem install --no-document --no-user-install foreman
 
 COPY ./monit.conf /etc/monit.d/rails.conf
 COPY ./Procfile /etc/Procfile