diff --git a/Dockerfile b/Dockerfile
index 6b7d7522..d13c2389 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,8 +8,9 @@ RUN apt-get update && apt-get install -y && apt-get --yes install mc && apt-get
 # Chrome
 #=========
 RUN apt-get update && apt-get install -y xdg-utils libxrandr2
-RUN wget -q -O - https://dl.google.com/linux/linux_signing_key.pub | apt-key add - \
-    && sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google-chrome.list' \
+RUN apt-get update && apt-get install -y gnupg \
+    && wget -q -O - https://dl.google.com/linux/linux_signing_key.pub | apt-key add - \
+    && sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" > /etc/apt/sources.list.d/google-chrome.list' \
     && apt-get update && apt-get install -y google-chrome-stable
 #=========
 # Chrome driver