diff --git a/Gemfile b/Gemfile
index e1fc9b66..186860b4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,7 +10,7 @@ group :development, :test do
   gem 'jekyll-sitemap', '~> 1.2.0'
   gem 'jekyll-feed', '~> 0.11.0'
   gem 'jekyll-github-metadata', '~> 2.9.4'
-  gem 'bootstrap', '~> 4.1.3'
+  gem 'bootstrap', '~> 5.0.0'
   gem 'jemoji', '>= 0.10.2'
   gem 'jekyll-seo-tag'
 end