diff --git a/Gemfile b/Gemfile
index b970c3d..de57d91 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,7 @@ source "https://rubygems.org"
 #
 # This will help ensure the proper Jekyll version is running.
 # Happy Jekylling!
-gem "jekyll", "~> 4.2.2"
+gem "jekyll", "~> 4.3.1"
 # This is the default theme for new Jekyll sites. You may change this to anything you like.
 gem "minima"
 # If you want to use GitHub Pages, remove the "gem "jekyll"" above and
diff --git a/Gemfile.lock b/Gemfile.lock
index 5ee4a50..1cb1bdd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,21 +14,22 @@ GEM
     http_parser.rb (0.8.0)
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)
-    jekyll (4.2.2)
+    jekyll (4.3.1)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
       i18n (~> 1.0)
-      jekyll-sass-converter (~> 2.0)
+      jekyll-sass-converter (>= 2.0, < 4.0)
       jekyll-watch (~> 2.0)
-      kramdown (~> 2.3)
+      kramdown (~> 2.3, >= 2.3.1)
       kramdown-parser-gfm (~> 1.0)
       liquid (~> 4.0)
-      mercenary (~> 0.4.0)
+      mercenary (>= 0.3.6, < 0.5)
       pathutil (~> 0.9)
-      rouge (~> 3.0)
+      rouge (>= 3.0, < 5.0)
       safe_yaml (~> 1.0)
-      terminal-table (~> 2.0)
+      terminal-table (>= 1.8, < 4.0)
+      webrick (~> 1.7)
     jekyll-feed (0.16.0)
       jekyll (>= 3.7, < 5.0)
     jekyll-sass-converter (2.2.0)
@@ -57,13 +58,13 @@ GEM
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.5)
-    rouge (3.30.0)
+    rouge (4.0.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
-    terminal-table (2.0.0)
-      unicode-display_width (~> 1.1, >= 1.1.1)
-    unicode-display_width (1.8.0)
+    terminal-table (3.0.2)
+      unicode-display_width (>= 1.1.1, < 3)
+    unicode-display_width (2.3.0)
     webrick (1.7.0)
 
 PLATFORMS
@@ -71,7 +72,7 @@ PLATFORMS
 
 DEPENDENCIES
   http_parser.rb (~> 0.6.0)
-  jekyll (~> 4.2.2)
+  jekyll (~> 4.3.1)
   jekyll-feed (~> 0.12)
   minima
   tzinfo (~> 1.2)
diff --git a/_config.yml b/_config.yml
index 4b87e0a..5cebf71 100644
--- a/_config.yml
+++ b/_config.yml
@@ -30,6 +30,7 @@ google_analytics: G-YGXBT00Y16
 
 # Build settings
 theme: minima
+  skin: auto
 plugins:
   - jekyll-feed