diff --git a/Dockerfile b/Dockerfile
index 55b0b31ca..611f31292 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,8 @@
 # Use Ruby 2.3.6 as base image
 FROM ruby:2.3.6
 
+ENV DEBIAN_FRONTEND noninteractive
+
 # Install essential Linux packages
 RUN apt-get update -qq && apt-get install -y build-essential libpq-dev postgresql-client nodejs imagemagick sudo libxss1 libappindicator1 libindicator7 unzip