diff --git a/apps/dolibarr/Dockerfile b/apps/dolibarr/Dockerfile
index 1516683..0c38d7d 100644
--- a/apps/dolibarr/Dockerfile
+++ b/apps/dolibarr/Dockerfile
@@ -1,12 +1,16 @@
-FROM arm64/php:7.3-fpm
+FROM debian/buster-slim
 
 # Install the packages we need
 # Install the PHP extensions we need
 # see https://wiki.dolibarr.org/index.php/Dependencies_and_external_libraries
 # Prepare folders
+ENV DEBIAN_FRONTEND noninteractive
+RUN sed -i 's@deb.debian.org@apt-cache.lan/deb.debian.org@g' /etc/apt/sources.list && \
+	sed -i 's@security.debian.org@apt-cache.lan/security.debian.org@g' /etc/apt/sources.list
 RUN set -ex; \
 	apt-get update -q; \
 	apt-get install -y --no-install-recommends \
+		php-fpm \
 		bzip2 \
 		default-mysql-client \
 		cron \