diff --git a/Gemfile b/Gemfile
index 1a15d23d..c0df97dc 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source "https://rubygems.org"
 gem "github-pages", "~> 231", group: :jekyll_plugins
-gem "html-proofer", "~> 4.4"
+gem "html-proofer", "~> 5.0"
 
 group :jekyll_plugins do
   gem 'jekyll-polyglot', '~> 1.5.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index f36590b1..9cc065aa 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,6 +1,7 @@
 GEM
   remote: https://rubygems.org/
   specs:
+    Ascii85 (1.1.0)
     activesupport (7.1.3.2)
       base64
       bigdecimal
@@ -13,6 +14,12 @@ GEM
       tzinfo (~> 2.0)
     addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
+    afm (0.2.2)
+    async (2.11.0)
+      console (~> 1.25, >= 1.25.2)
+      fiber-annotation
+      io-event (~> 1.5, >= 1.5.1)
+      timers (~> 4.1)
     base64 (0.2.0)
     bigdecimal (3.1.7)
     coffee-script (2.4.1)
@@ -23,6 +30,10 @@ GEM
     commonmarker (0.23.10)
     concurrent-ruby (1.2.3)
     connection_pool (2.4.1)
+    console (1.25.2)
+      fiber-annotation
+      fiber-local (~> 1.1)
+      json
     dnsruby (1.71.0)
       simpleidn (~> 0.2.1)
     drb (2.2.1)
@@ -39,6 +50,10 @@ GEM
       ruby2_keywords (>= 0.0.4)
     faraday-net_http (3.0.2)
     ffi (1.16.3)
+    fiber-annotation (0.2.0)
+    fiber-local (1.1.0)
+      fiber-storage
+    fiber-storage (0.1.0)
     forwardable-extended (2.6.0)
     gemoji (4.1.0)
     github-pages (231)
@@ -92,14 +107,15 @@ GEM
       octokit (>= 4, < 8)
       public_suffix (>= 3.0, < 6.0)
       typhoeus (~> 1.3)
+    hashery (2.1.2)
     html-pipeline (2.14.3)
       activesupport (>= 2)
       nokogiri (>= 1.4)
-    html-proofer (4.4.3)
+    html-proofer (5.0.9)
       addressable (~> 2.3)
-      mercenary (~> 0.3)
+      async (~> 2.1)
       nokogiri (~> 1.13)
-      parallel (~> 1.10)
+      pdf-reader (~> 2.11)
       rainbow (~> 3.0)
       typhoeus (~> 1.3)
       yell (~> 2.0)
@@ -107,6 +123,7 @@ GEM
     http_parser.rb (0.8.0)
     i18n (1.14.4)
       concurrent-ruby (~> 1.0)
+    io-event (1.5.1)
     jekyll (3.9.5)
       addressable (~> 2.4)
       colorator (~> 1.0)
@@ -217,6 +234,7 @@ GEM
       gemoji (>= 3, < 5)
       html-pipeline (~> 2.2)
       jekyll (>= 3.0, < 5.0)
+    json (2.7.2)
     kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)
@@ -232,15 +250,20 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.22.3)
     mutex_m (0.2.0)
-    nokogiri (1.15.6-x86_64-linux)
+    nokogiri (1.16.4-x86_64-linux)
       racc (~> 1.4)
     octokit (4.25.1)
       faraday (>= 1, < 3)
       sawyer (~> 0.9)
-    parallel (1.24.0)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (5.0.4)
+    pdf-reader (2.12.0)
+      Ascii85 (~> 1.0)
+      afm (~> 0.2.1)
+      hashery (~> 2.0)
+      ruby-rc4
+      ttfunk
+    public_suffix (5.0.5)
     racc (1.7.3)
     rainbow (3.1.1)
     rb-fsevent (0.11.2)
@@ -248,6 +271,7 @@ GEM
       ffi (~> 1.0)
     rexml (3.2.6)
     rouge (3.30.0)
+    ruby-rc4 (0.1.5)
     ruby2_keywords (0.0.5)
     rubyzip (2.3.2)
     safe_yaml (1.0.5)
@@ -263,6 +287,9 @@ GEM
       unf (~> 0.1.4)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
+    timers (4.3.5)
+    ttfunk (1.8.0)
+      bigdecimal (~> 3.1)
     typhoeus (1.4.1)
       ethon (>= 0.9.0)
     tzinfo (2.0.6)
@@ -279,7 +306,7 @@ PLATFORMS
 
 DEPENDENCIES
   github-pages (~> 231)
-  html-proofer (~> 4.4)
+  html-proofer (~> 5.0)
   jekyll-polyglot (~> 1.5.1)
 
 BUNDLED WITH