diff --git a/Gemfile b/Gemfile
index 346885b..57ed490 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,3 +11,5 @@ group :jekyll_plugins do
   gem 'jekyll-feed'
   gem 'jekyll-seo-tag'
 end
+
+gem "webrick", "~> 1.7"
diff --git a/Gemfile.lock b/Gemfile.lock
index c5c61b4..0274fab 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,17 +4,17 @@ GEM
     addressable (2.8.0)
       public_suffix (>= 2.0.2, < 5.0)
     colorator (1.1.0)
-    concurrent-ruby (1.1.9)
+    concurrent-ruby (1.1.10)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
-      http_parser.rb (~> 0)
+      http_parser.rb
     eventmachine (1.2.7)
     ffi (1.15.5)
     forwardable-extended (2.6.0)
     http_parser.rb (0.8.0)
-    i18n (1.9.1)
-      concurrent-ruby (~> 1.0)
-    jekyll (4.2.1)
+    i18n (1.10.0)
+      concurrent-ruby (>= 1.0)
+    jekyll (4.2.2)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -31,15 +31,15 @@ GEM
       terminal-table (~> 2.0)
     jekyll-feed (0.16.0)
       jekyll (>= 3.7, < 5.0)
-    jekyll-sass-converter (2.1.0)
+    jekyll-sass-converter (2.2.0)
       sassc (> 2.0.1, < 3.0)
-    jekyll-seo-tag (2.7.1)
+    jekyll-seo-tag (2.8.0)
       jekyll (>= 3.8, < 5.0)
     jekyll-sitemap (1.4.0)
       jekyll (>= 3.7, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    kramdown (2.3.1)
+    kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
@@ -49,28 +49,31 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
     pathutil (0.16.2)
-      forwardable-extended (~> 2.6)
-    public_suffix (4.0.6)
-    rb-fsevent (0.11.0)
+      forwardable-extended (>= 2.6)
+    public_suffix (4.0.7)
+    rb-fsevent (0.11.1)
     rb-inotify (0.10.1)
-      ffi (~> 1.0)
+      ffi (>= 1.0)
     rexml (3.2.5)
-    rouge (3.27.0)
+    rouge (3.28.0)
     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)
+    webrick (1.7.0)
 
 PLATFORMS
   universal-darwin-21
+  x86_64-linux
 
 DEPENDENCIES
   jekyll (~> 4.2)
   jekyll-feed
   jekyll-seo-tag
   jekyll-sitemap
+  webrick (~> 1.7)
 
 BUNDLED WITH
    2.3.4