diff --git a/Gemfile.lock b/Gemfile.lock
index 9711e30..028af14 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,31 +1,41 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activesupport (5.2.0)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-    addressable (2.5.2)
-      public_suffix (>= 2.0.2, < 4.0)
+    Ascii85 (2.0.1)
+    addressable (2.8.7)
+      public_suffix (>= 2.0.2, < 7.0)
+    afm (0.2.2)
+    async (2.23.0)
+      console (~> 1.29)
+      fiber-annotation
+      io-event (~> 1.9)
+      metrics (~> 0.12)
+      traces (~> 0.15)
+    bigdecimal (3.1.9)
     colorator (1.1.0)
-    colorize (0.8.1)
-    concurrent-ruby (1.0.5)
-    ethon (0.11.0)
-      ffi (>= 1.3.0)
-    ffi (1.9.23)
+    console (1.29.3)
+      fiber-annotation
+      fiber-local (~> 1.1)
+      json
+    ethon (0.16.0)
+      ffi (>= 1.15.0)
+    ffi (1.17.1)
+    fiber-annotation (0.2.0)
+    fiber-local (1.1.0)
+      fiber-storage
+    fiber-storage (1.0.0)
     forwardable-extended (2.6.0)
-    html-proofer (3.8.0)
-      activesupport (>= 4.2, < 6.0)
+    hashery (2.1.2)
+    html-proofer (5.0.10)
       addressable (~> 2.3)
-      colorize (~> 0.8)
-      mercenary (~> 0.3.2)
-      nokogiri (~> 1.8.1)
-      parallel (~> 1.3)
+      async (~> 2.1)
+      nokogiri (~> 1.13)
+      pdf-reader (~> 2.11)
+      rainbow (~> 3.0)
       typhoeus (~> 1.3)
       yell (~> 2.0)
-    i18n (1.0.1)
-      concurrent-ruby (~> 1.0)
+      zeitwerk (~> 2.5)
+    io-event (1.9.0)
     jekyll (3.4.1)
       addressable (~> 2.4)
       colorator (~> 1.0)
@@ -43,38 +53,49 @@ GEM
       sass (~> 3.4)
     jekyll-watch (1.5.0)
       listen (~> 3.0, < 3.1)
+    json (2.10.1)
     kramdown (1.14.0)
     liquid (3.0.6)
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
     mercenary (0.3.6)
-    mini_portile2 (2.3.0)
+    metrics (0.12.1)
+    mini_portile2 (2.8.8)
     minima (2.1.1)
       jekyll (~> 3.3)
-    minitest (5.11.3)
-    nokogiri (1.8.2)
-      mini_portile2 (~> 2.3.0)
-    parallel (1.12.1)
+    nokogiri (1.18.3)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
     pathutil (0.14.0)
       forwardable-extended (~> 2.6)
-    public_suffix (3.0.2)
+    pdf-reader (2.14.1)
+      Ascii85 (>= 1.0, < 3.0, != 2.0.0)
+      afm (~> 0.2.1)
+      hashery (~> 2.0)
+      ruby-rc4
+      ttfunk
+    public_suffix (6.0.1)
+    racc (1.8.1)
+    rainbow (3.1.1)
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
     rouge (1.11.1)
+    ruby-rc4 (0.1.5)
     safe_yaml (1.0.4)
     sass (3.5.1)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    thread_safe (0.3.6)
-    typhoeus (1.3.0)
+    traces (0.15.2)
+    ttfunk (1.8.0)
+      bigdecimal (~> 3.1)
+    typhoeus (1.4.1)
       ethon (>= 0.9.0)
-    tzinfo (1.2.5)
-      thread_safe (~> 0.1)
-    yell (2.0.7)
+    yell (2.2.2)
+    zeitwerk (2.7.2)
 
 PLATFORMS
   ruby