diff --git a/Gemfile b/Gemfile
index b5f44fa..7f87a23 100755
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
 
 # gem "rails"
 
-gem "jekyll", "~> 3.8"
+gem "jekyll", "~> 4.0"
 
 gem "jekyll-paginate-v2", "~> 2.0"