diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a51d366..887a15b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,12 +11,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Git checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.2
+          ruby-version: 3.3
           bundler-cache: true
 
       - name: Build site
diff --git a/Gemfile.lock b/Gemfile.lock
index adb9288..47d8c59 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,36 +1,41 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.7)
-      public_suffix (>= 2.0.2, < 7.0)
-    bigdecimal (3.1.8)
+    addressable (2.9.0)
+      public_suffix (>= 2.0.2, < 8.0)
+    base64 (0.3.0)
+    bigdecimal (4.1.1)
     colorator (1.1.0)
-    concurrent-ruby (1.3.3)
+    concurrent-ruby (1.3.6)
+    csv (3.3.5)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
     eventmachine (1.2.7)
-    ffi (1.17.0)
+    ffi (1.17.4)
     forwardable-extended (2.6.0)
-    google-protobuf (4.27.2)
+    google-protobuf (4.34.1)
       bigdecimal
-      rake (>= 13)
+      rake (~> 13.3)
     hash-joiner (0.0.7)
       safe_yaml
-    http_parser.rb (0.8.0)
-    i18n (1.14.5)
+    http_parser.rb (0.8.1)
+    i18n (1.14.8)
       concurrent-ruby (~> 1.0)
-    jekyll (4.3.3)
+    jekyll (4.4.1)
       addressable (~> 2.4)
+      base64 (~> 0.2)
       colorator (~> 1.0)
+      csv (~> 3.0)
       em-websocket (~> 0.5)
       i18n (~> 1.0)
       jekyll-sass-converter (>= 2.0, < 4.0)
       jekyll-watch (~> 2.0)
+      json (~> 2.6)
       kramdown (~> 2.3, >= 2.3.1)
       kramdown-parser-gfm (~> 1.0)
       liquid (~> 4.0)
-      mercenary (>= 0.3.6, < 0.5)
+      mercenary (~> 0.3, >= 0.3.6)
       pathutil (~> 0.9)
       rouge (>= 3.0, < 5.0)
       safe_yaml (~> 1.0)
@@ -38,51 +43,51 @@ GEM
       webrick (~> 1.7)
     jekyll-feed (0.17.0)
       jekyll (>= 3.7, < 5.0)
-    jekyll-sass-converter (3.0.0)
-      sass-embedded (~> 1.54)
+    jekyll-sass-converter (3.1.0)
+      sass-embedded (~> 1.75)
     jekyll-seo-tag (2.8.0)
       jekyll (>= 3.8, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    json (2.7.2)
-    kramdown (2.4.0)
-      rexml
+    json (2.19.3)
+    kramdown (2.5.2)
+      rexml (>= 3.4.4)
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     liquid (4.0.4)
-    listen (3.9.0)
+    listen (3.10.0)
+      logger
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
+    logger (1.7.0)
     mercenary (0.4.0)
-    minima (2.5.1)
+    minima (2.5.2)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (6.0.1)
-    rake (13.2.1)
+    public_suffix (7.0.5)
+    rake (13.4.1)
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rexml (3.3.2)
-      strscan
-    rouge (4.3.0)
+    rexml (3.4.4)
+    rouge (4.7.0)
     safe_yaml (1.0.5)
-    sass-embedded (1.77.8)
-      google-protobuf (~> 4.26)
+    sass-embedded (1.99.0)
+      google-protobuf (~> 4.31)
       rake (>= 13)
-    strscan (3.1.0)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
     thread_safe (0.3.6)
     tzinfo (1.2.11)
       thread_safe (~> 0.1)
-    tzinfo-data (1.2024.1)
+    tzinfo-data (1.2026.1)
       tzinfo (>= 1.0.0)
-    unicode-display_width (2.5.0)
+    unicode-display_width (2.6.0)
     wdm (0.1.1)
-    webrick (1.8.1)
+    webrick (1.9.2)
 
 PLATFORMS
   ruby
@@ -97,4 +102,4 @@ DEPENDENCIES
   webrick
 
 BUNDLED WITH
-   2.5.10
+  4.0.5