diff --git a/Gemfile b/Gemfile
index 101dc21..3894b5d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source "https://rubygems.org"
 ruby '~> 3.1.3'
 
-gem "jekyll", "4.3.3"
+gem "jekyll", "4.3.4"
 gem "execjs", "2.7.0" # https://github.com/rails/execjs/issues/99
 gem "autoprefixer-rails"
 gem 'eventmachine', '1.2.7', git: 'https://github.com/eventmachine/eventmachine.git', tag: 'v1.2.7'
diff --git a/Gemfile.lock b/Gemfile.lock
index 4a32b37..013bb8d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -9,8 +9,8 @@ GEM
   remote: https://rubygems.org/
   specs:
     Ascii85 (1.1.0)
-    addressable (2.8.6)
-      public_suffix (>= 2.0.2, < 6.0)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
     afm (0.2.2)
     async (2.6.5)
       console (~> 1.10)
@@ -19,8 +19,9 @@ GEM
       timers (~> 4.1)
     autoprefixer-rails (10.4.15.0)
       execjs (~> 2)
+    bigdecimal (3.1.8)
     colorator (1.1.0)
-    concurrent-ruby (1.2.3)
+    concurrent-ruby (1.3.4)
     console (1.23.2)
       fiber-annotation
       fiber-local
@@ -30,16 +31,20 @@ GEM
     ethon (0.16.0)
       ffi (>= 1.15.0)
     execjs (2.7.0)
-    ffi (1.16.3)
-    ffi (1.16.3-x64-mingw-ucrt)
+    ffi (1.17.0-x64-mingw-ucrt)
+    ffi (1.17.0-x86_64-darwin)
+    ffi (1.17.0-x86_64-linux-gnu)
     fiber-annotation (0.2.0)
     fiber-local (1.0.0)
     forwardable-extended (2.6.0)
-    google-protobuf (4.26.1-x64-mingw-ucrt)
+    google-protobuf (4.28.3-x64-mingw-ucrt)
+      bigdecimal
       rake (>= 13)
-    google-protobuf (4.26.1-x86_64-darwin)
+    google-protobuf (4.28.3-x86_64-darwin)
+      bigdecimal
       rake (>= 13)
-    google-protobuf (4.26.1-x86_64-linux)
+    google-protobuf (4.28.3-x86_64-linux)
+      bigdecimal
       rake (>= 13)
     hashery (2.1.2)
     html-proofer (5.0.8)
@@ -52,10 +57,10 @@ GEM
       yell (~> 2.0)
       zeitwerk (~> 2.5)
     http_parser.rb (0.8.0)
-    i18n (1.14.4)
+    i18n (1.14.6)
       concurrent-ruby (~> 1.0)
     io-event (1.3.3)
-    jekyll (4.3.3)
+    jekyll (4.3.4)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -79,10 +84,6 @@ GEM
       jekyll (>= 3.3, < 5.0)
     jekyll-sass-converter (3.0.0)
       sass-embedded (~> 1.54)
-    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 (2.4.0)
@@ -108,23 +109,20 @@ GEM
       hashery (~> 2.0)
       ruby-rc4
       ttfunk
-    public_suffix (5.0.5)
+    public_suffix (6.0.1)
     racc (1.7.2)
     rainbow (3.1.1)
     rake (13.2.1)
     rb-fsevent (0.11.2)
-    rb-inotify (0.10.1)
+    rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rexml (3.2.6)
-    rouge (4.2.1)
+    rexml (3.3.9)
+    rouge (4.4.0)
     ruby-rc4 (0.1.5)
     safe_yaml (1.0.5)
-    sass-embedded (1.75.0-x64-mingw-ucrt)
-      google-protobuf (>= 3.25, < 5.0)
-    sass-embedded (1.75.0-x86_64-darwin)
-      google-protobuf (>= 3.25, < 5.0)
-    sass-embedded (1.75.0-x86_64-linux-gnu)
-      google-protobuf (>= 3.25, < 5.0)
+    sass-embedded (1.80.5)
+      google-protobuf (~> 4.28)
+      rake (>= 13)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     timers (4.3.5)
@@ -135,7 +133,7 @@ GEM
       concurrent-ruby (~> 1.0)
     tzinfo-data (1.2023.3)
       tzinfo (>= 1.0.0)
-    unicode-display_width (2.5.0)
+    unicode-display_width (2.6.0)
     webrick (1.8.1)
     yell (2.2.2)
     zeitwerk (2.6.12)
@@ -150,13 +148,11 @@ DEPENDENCIES
   eventmachine (= 1.2.7)!
   execjs (= 2.7.0)
   html-proofer (~> 5)
-  jekyll (= 4.3.3)
+  jekyll (= 4.3.4)
   jekyll-feed (~> 0.15)
   jekyll-paginate-v2 (= 3.0.0)
   jekyll-redirect-from
   jekyll-sass-converter (~> 3.0)
-  jekyll-seo-tag
-  jekyll-sitemap
   tzinfo-data
   webrick (~> 1.8)