diff --git a/docs/Gemfile b/docs/Gemfile
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--- /dev/null
+++ b/docs/Gemfile
@@ -0,0 +1,8 @@
+source "https://rubygems.org"
+
+gem "jekyll"
+
+group :jekyll_plugins do
+  gem "jekyll-feed"
+  gem "jekyll-seo-tag"
+end