Reinit site for Nth Time

Gemfile

@@ -1,5 +1,4 @@
 source "https://rubygems.org"
-
 # Hello! This is where you manage which Jekyll version is used to run.
 # When you want to use a different version, change it below, save the
 # file and run `bundle install`. Run Jekyll with `bundle exec`, like so:
@@ -8,21 +7,18 @@ source "https://rubygems.org"
 #
 # This will help ensure the proper Jekyll version is running.
 # Happy Jekylling!
-gem "jekyll", "~> 3.7.3"
-
+gem "jekyll", "~> 4.0.0"
 # This is the default theme for new Jekyll sites. You may change this to anything you like.
-gem "github-pages", group: :jekyll_plugins
-
+gem "minima", "~> 2.5"
 # If you want to use GitHub Pages, remove the "gem "jekyll"" above and
 # uncomment the line below. To upgrade, run `bundle update github-pages`.
 # gem "github-pages", group: :jekyll_plugins
-
 # If you have any plugins, put them here!
 group :jekyll_plugins do
-  gem "jekyll-feed", "~> 0.6"
+  gem "jekyll-feed", "~> 0.12"
 end
 
-# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
+# Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem
 # and associated library.
 install_if -> { RUBY_PLATFORM =~ %r!mingw|mswin|java! } do
   gem "tzinfo", "~> 1.2"
@@ -30,5 +26,5 @@ install_if -> { RUBY_PLATFORM =~ %r!mingw|mswin|java! } do
 end
 
 # Performance-booster for watching directories on Windows
-gem "wdm", "~> 0.1.0", :install_if => Gem.win_platform?
+gem "wdm", "~> 0.1.1", :install_if => Gem.win_platform?