diff --git a/securepi/static/css/bootstrap/Gemfile b/securepi/static/css/bootstrap/Gemfile
index c712220..2a16e13 100644
--- a/securepi/static/css/bootstrap/Gemfile
+++ b/securepi/static/css/bootstrap/Gemfile
@@ -1,8 +1,8 @@
 source 'https://rubygems.org'
 
 group :development, :test do
-  gem 'jekyll', '~> 3.8.5'
-  gem 'jekyll-redirect-from', '~> 0.14.0'
-  gem 'jekyll-sitemap', '~> 1.2.0'
+  gem 'jekyll', '~> 4.0.0'
+  gem 'jekyll-redirect-from', '~> 0.15.0'
+  gem 'jekyll-sitemap', '~> 1.3.0'
   gem 'wdm', '~> 0.1.1', :install_if => Gem.win_platform?
 end