diff --git a/Gemfile b/Gemfile
index 14ebb69195..f9ae6e1340 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,3 +2,4 @@ source 'https://rubygems.org'
 gem 'webrick'
 gem 'github-pages', group: :jekyll_plugins
 gem 'json'
+gem 'csv'
diff --git a/Gemfile.lock b/Gemfile.lock
index 4f8ad5bfc2..c6b78164a5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -23,6 +23,7 @@ GEM
     commonmarker (0.23.10)
     concurrent-ruby (1.2.3)
     connection_pool (2.4.1)
+    csv (3.2.8)
     dnsruby (1.70.0)
       simpleidn (~> 0.2.1)
     drb (2.2.0)
@@ -283,6 +284,7 @@ PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
+  csv
   github-pages
   json
   webrick