diff --git a/Dockerfile b/Dockerfile
index c0f6d6752ed2298d7be61cb9107a3deafba8b6ac..a1e9b1f42f5c87c27b1396715b497ae12fae5dc7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ FROM node:6
 RUN wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | apt-key add - \
   && sh -c 'echo "deb http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list'
 
-RUN apt-get update -qq && apt-get install -y \
+RUN apt-get update -q && apt-get install -q -y \
   apt-utils \
   chromium \
   google-chrome-stable \