diff --git a/dist/docker/builder/debian/jessie/x86_64/Dockerfile b/dist/docker/builder/debian/jessie/x86_64/Dockerfile
index 9aa8cf14e..77415b240 100644
--- a/dist/docker/builder/debian/jessie/x86_64/Dockerfile
+++ b/dist/docker/builder/debian/jessie/x86_64/Dockerfile
@@ -21,7 +21,7 @@ MAINTAINER AleaJactaEst
 ENV HOSTNAME builder
 
 RUN apt-get update
-RUN apt-get dist-upgrade
+RUN apt-get dist-upgrade -y
 
 RUN DEBIAN_FRONTEND=noninteractive apt-get install -y mysql-server
 RUN apt-get install -y apache2 php5 libapache2-mod-php5 php5-mysql apache2-utils php5-gd php5-imagick