diff --git a/Dockerfile b/Dockerfile
index e0aa013..54ca7cc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -105,6 +105,9 @@ RUN apk add apache2-utils
 ## required by git through ssh (for host-resources for instance)
 RUN apk add openssh-client
 
+## required for acl write management (for apache data dirs for instance)
+RUN apk add acl
+
 ## install compose
 COPY ./bin/ /usr/local/bin/