diff --git a/Dockerfile b/Dockerfile
index 2ec9703..125954f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,6 +2,10 @@ FROM bretfisher/jekyll-serve
 
 COPY . /site
 
+WORKDIR /site
+
+RUN bundle install --retry 5 --jobs 20
+
 ENV JEKYLL_ENV="production"
 
 EXPOSE 4000
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