Dockerfile in maltese-0.9.4 vs Dockerfile in maltese-0.9.5

@@ -9,8 +9,8 @@
 # Update installed APT packages, clean up APT when done.
 RUN apt-get update && apt-get upgrade -y -o Dpkg::Options::="--force-confold" && \
     apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
 
 # Install maltese gem
-RUN /sbin/setuser app gem install maltese -v 0.9.4
+RUN /sbin/setuser app gem install maltese -v 0.9.5
 
 CMD maltese sitemap --sitemap_bucket $SITEMAP_BUCKET --rack_env $RACK_ENV --access_key $AWS_ACCESS_KEY_ID --secret_key $AWS_SECRET_ACCESS_KEY --region $AWS_REGION --slack_webhook_url $SLACK_WEBHOOK_URL