diff --git a/Dockerfile b/Dockerfile
index 827eaab..f94ac33 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,6 +4,11 @@ RUN apt-get update && apt-get install -y build-essential zlib1g-dev libsqlite3-d
 RUN mkdir -p /app
 
 WORKDIR /tmp
+
+RUN wget https://bitbucket.org/ariya/phantomjs/downloads/phantomjs-2.1.1-linux-x86_64.tar.bz2
+RUN tar xvvjf phantomjs-2.1.1-linux-x86_64.tar.bz2
+RUN ln -sf /tmp/phantomjs-2.1.1-linux-x86_64/bin/phantomjs /usr/local/bin/
+
 COPY Gemfile Gemfile
 COPY Gemfile.lock Gemfile.lock
 RUN bundle install