diff --git a/Gemfile b/Gemfile
index ec92acc..1f09bf3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ source "https://rubygems.org"
 #
 # This will help ensure the proper Jekyll version is running.
 # Happy Jekylling!
-gem "jekyll", "~>3.6.0"
+gem "jekyll", "~>4.2.0"
 gem 'rake'
 gem 'sassc-rails'
 gem "json", "~> 2"
@@ -21,7 +21,7 @@ gem "json", "~> 2"
 # If you have any plugins, put them here!
 group :jekyll_plugins do
   gem "bourbon", "~>4.3"
-  gem "jekyll-feed", "~>0.6"
+  gem "jekyll-feed", "~>0.15"
   gem "jekyll-paginate-v2"
   gem "pygments.rb"
   gem "jekyll-compose"
diff --git a/Gemfile.lock b/Gemfile.lock
index cc1c69d..9b67f82 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -20,7 +20,7 @@ GEM
       minitest (~> 5.1)
       tzinfo (~> 1.1)
       zeitwerk (~> 2.2, >= 2.2.2)
-    addressable (2.7.0)
+    addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
     bourbon (4.3.4)
       sass (~> 3.4)
@@ -29,42 +29,54 @@ GEM
     colorator (1.1.0)
     concurrent-ruby (1.1.8)
     crass (1.0.6)
+    em-websocket (0.5.2)
+      eventmachine (>= 0.12.9)
+      http_parser.rb (~> 0.6.0)
     erubi (1.10.0)
-    ffi (1.12.2)
+    eventmachine (1.2.7)
+    ffi (1.15.4)
     forwardable-extended (2.6.0)
+    http_parser.rb (0.6.0)
     i18n (1.8.9)
       concurrent-ruby (~> 1.0)
-    jekyll (3.6.3)
+    jekyll (4.2.0)
       addressable (~> 2.4)
       colorator (~> 1.0)
-      jekyll-sass-converter (~> 1.0)
-      jekyll-watch (~> 1.1)
-      kramdown (~> 1.14)
+      em-websocket (~> 0.5)
+      i18n (~> 1.0)
+      jekyll-sass-converter (~> 2.0)
+      jekyll-watch (~> 2.0)
+      kramdown (~> 2.3)
+      kramdown-parser-gfm (~> 1.0)
       liquid (~> 4.0)
-      mercenary (~> 0.3.3)
+      mercenary (~> 0.4.0)
       pathutil (~> 0.9)
-      rouge (>= 1.7, < 3)
+      rouge (~> 3.0)
       safe_yaml (~> 1.0)
-    jekyll-compose (0.9.0)
-      jekyll (~> 3.0)
-    jekyll-feed (0.11.0)
-      jekyll (~> 3.3)
+      terminal-table (~> 2.0)
+    jekyll-compose (0.12.0)
+      jekyll (>= 3.7, < 5.0)
+    jekyll-feed (0.15.1)
+      jekyll (>= 3.7, < 5.0)
     jekyll-paginate-v2 (3.0.0)
       jekyll (>= 3.0, < 5.0)
-    jekyll-sass-converter (1.5.2)
-      sass (~> 3.4)
-    jekyll-watch (1.5.1)
+    jekyll-sass-converter (2.1.0)
+      sassc (> 2.0.1, < 3.0)
+    jekyll-watch (2.2.1)
       listen (~> 3.0)
     json (2.3.0)
-    kramdown (1.17.0)
+    kramdown (2.3.1)
+      rexml
+    kramdown-parser-gfm (1.1.0)
+      kramdown (~> 2.0)
     liquid (4.0.3)
-    listen (3.2.1)
+    listen (3.7.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     loofah (2.9.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    mercenary (0.3.6)
+    mercenary (0.4.0)
     method_source (1.0.0)
     mini_portile2 (2.5.0)
     minitest (5.14.4)
@@ -74,7 +86,7 @@ GEM
       racc (~> 1.4)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.5)
+    public_suffix (4.0.6)
     pygments.rb (1.2.1)
       multi_json (>= 1.0.0)
     racc (1.5.2)
@@ -93,10 +105,11 @@ GEM
       rake (>= 0.8.7)
       thor (>= 0.20.3, < 2.0)
     rake (12.3.3)
-    rb-fsevent (0.10.4)
+    rb-fsevent (0.11.0)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rouge (2.2.1)
+    rexml (3.2.5)
+    rouge (3.26.0)
     safe_yaml (1.0.5)
     sass (3.7.4)
       sass-listen (~> 4.0.0)
@@ -118,11 +131,14 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
+    terminal-table (2.0.0)
+      unicode-display_width (~> 1.1, >= 1.1.1)
     thor (0.20.3)
     thread_safe (0.3.6)
     tilt (2.0.10)
     tzinfo (1.2.9)
       thread_safe (~> 0.1)
+    unicode-display_width (1.7.0)
     zeitwerk (2.4.2)
 
 PLATFORMS
@@ -130,9 +146,9 @@ PLATFORMS
 
 DEPENDENCIES
   bourbon (~> 4.3)
-  jekyll (~> 3.6.0)
+  jekyll (~> 4.2.0)
   jekyll-compose
-  jekyll-feed (~> 0.6)
+  jekyll-feed (~> 0.15)
   jekyll-paginate-v2
   json (~> 2)
   kramdown