diff --git a/Gemfile b/Gemfile
index d70fa7c..5d8ff0c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -41,5 +41,5 @@ end
 # Performance-booster for watching directories on Windows
 gem "wdm", "~> 0.2.0", :install_if => Gem.win_platform?
 
-gem "html-proofer", "~> 5.0.10"
+gem "html-proofer", "~> 5.2.1"
 gem "rake", "~> 13.3"
diff --git a/Gemfile.lock b/Gemfile.lock
index 220471d..0878568 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,22 +4,23 @@ GEM
     Ascii85 (2.0.1)
     addressable (2.9.0)
       public_suffix (>= 2.0.2, < 8.0)
-    afm (0.2.2)
+    afm (1.0.0)
     ast (2.4.2)
-    async (2.23.0)
+    async (2.39.0)
       console (~> 1.29)
       fiber-annotation
-      io-event (~> 1.9)
+      io-event (~> 1.11)
       metrics (~> 0.12)
-      traces (~> 0.15)
+      traces (~> 0.18)
     base64 (0.3.0)
-    bigdecimal (3.1.9)
+    benchmark (0.5.0)
+    bigdecimal (3.3.1)
     code-scanning-rubocop (0.6.1)
       rubocop (~> 1.0)
     coderay (1.1.3)
     colorator (1.1.0)
     concurrent-ruby (1.3.6)
-    console (1.29.3)
+    console (1.34.3)
       fiber-annotation
       fiber-local (~> 1.1)
       json
@@ -27,15 +28,16 @@ GEM
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
-    ethon (0.16.0)
+    ethon (0.18.0)
       ffi (>= 1.15.0)
+      logger
     eventmachine (1.2.7)
-    ffi (1.17.1-arm64-darwin)
-    ffi (1.17.1-x86_64-linux-gnu)
+    ffi (1.17.4-arm64-darwin)
+    ffi (1.17.4-x86_64-linux-gnu)
     fiber-annotation (0.2.0)
     fiber-local (1.1.0)
       fiber-storage
-    fiber-storage (1.0.0)
+    fiber-storage (1.0.1)
     forwardable-extended (2.6.0)
     google-protobuf (4.29.3-arm64-darwin)
       bigdecimal
@@ -44,9 +46,10 @@ GEM
       bigdecimal
       rake (>= 13)
     hashery (2.1.2)
-    html-proofer (5.0.10)
+    html-proofer (5.2.1)
       addressable (~> 2.3)
       async (~> 2.1)
+      benchmark (~> 0.5)
       nokogiri (~> 1.13)
       pdf-reader (~> 2.11)
       rainbow (~> 3.0)
@@ -57,7 +60,7 @@ GEM
     i18n (1.14.7)
       concurrent-ruby (~> 1.0)
     io-console (0.8.2)
-    io-event (1.9.0)
+    io-event (1.15.1)
     jekyll (4.4.1)
       addressable (~> 2.4)
       base64 (~> 0.2)
@@ -90,7 +93,7 @@ GEM
       jekyll (>= 3.7, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    json (2.10.2)
+    json (2.19.4)
     kramdown (2.5.1)
       rexml (>= 3.3.9)
     kramdown-parser-gfm (1.1.0)
@@ -100,12 +103,13 @@ GEM
     listen (3.9.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
+    logger (1.7.0)
     mercenary (0.4.0)
     method_source (1.1.0)
-    metrics (0.12.1)
-    nokogiri (1.19.1-arm64-darwin)
+    metrics (0.15.0)
+    nokogiri (1.19.2-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.19.1-x86_64-linux-gnu)
+    nokogiri (1.19.2-x86_64-linux-gnu)
       racc (~> 1.4)
     parallel (1.26.3)
     parser (3.3.6.0)
@@ -113,9 +117,9 @@ GEM
       racc
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    pdf-reader (2.14.1)
+    pdf-reader (2.15.1)
       Ascii85 (>= 1.0, < 3.0, != 2.0.0)
-      afm (~> 0.2.1)
+      afm (>= 0.2.1, < 2)
       hashery (~> 2.0)
       ruby-rc4
       ttfunk
@@ -165,11 +169,11 @@ GEM
       google-protobuf (~> 4.29)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
-    traces (0.15.2)
+    traces (0.18.2)
     ttfunk (1.8.0)
       bigdecimal (~> 3.1)
-    typhoeus (1.4.1)
-      ethon (>= 0.9.0)
+    typhoeus (1.6.0)
+      ethon (>= 0.18.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
     tzinfo-data (1.2026.1)
@@ -178,7 +182,7 @@ GEM
     wdm (0.2.0)
     webrick (1.9.2)
     yell (2.2.2)
-    zeitwerk (2.7.2)
+    zeitwerk (2.7.5)
 
 PLATFORMS
   arm64-darwin-24
@@ -188,7 +192,7 @@ DEPENDENCIES
   base64
   code-scanning-rubocop (~> 0.3)
   csv (~> 3.3)
-  html-proofer (~> 5.0.10)
+  html-proofer (~> 5.2.1)
   jekyll (~> 4.4)
   jekyll-archives
   jekyll-feed (~> 0.12)