diff --git a/Gemfile b/Gemfile
index f540ee0..2265054 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,10 +8,9 @@ source "https://rubygems.org"
 #
 # This will help ensure the proper Jekyll version is running.
 # Happy Jekylling!
-gem "jekyll", "~> 3.8.3"
+gem "jekyll", "~> 4.1.0"
 
 # This is the default theme for new Jekyll sites. You may change this to anything you like.
-# gem "minima", "~> 2.0"
 
 # If you want to use GitHub Pages, remove the "gem "jekyll"" above and
 # uncomment the line below. To upgrade, run `bundle update github-pages`.
@@ -19,12 +18,10 @@ gem "jekyll", "~> 3.8.3"
 
 # If you have any plugins, put them here!
 group :jekyll_plugins do
-  gem 'jekyll-feed', '~> 0.11.0'
-  gem 'jekyll-sitemap'
-  gem 'jekyll-sass-converter', '~> 1.5', '>= 1.5.2'
-  gem 'jekyll-compose'
-  gem 'jekyll-postfiles', '~> 3.0'
-  gem 'rouge', '3.3.0'
+  gem 'jekyll-feed', '~> 0.13.0'
+  gem 'jekyll-sitemap', '~> 1.4'
+  gem 'jekyll-compose', '~> 0.12.0'
+  gem 'jekyll-postfiles', '~> 3.1'
 end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem