diff --git a/Gemfile b/Gemfile
index cc2493e8e..64dff3c31 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,7 @@
 source "https://rubygems.org"
 
 gem "github-pages", group: :jekyll_plugins
+gem "redcarpet"
 gem "yard"
 gem "yard-sorbet"