diff --git a/Gemfile b/Gemfile
index 47ab8bbfd3..c16776b08e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,3 +2,4 @@ source "https://rubygems.org"
 
 #gem 'cvless'
 gem 'cvless', '~> 2.2'
+gem "jekyll", "~> 4.2"
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