diff --git a/Gemfile.lock b/Gemfile.lock
index 3faa599..6c8ccba 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -77,7 +77,7 @@ GEM
     html-pipeline (2.13.0)
       activesupport (>= 2)
       nokogiri (>= 1.4)
-    html-proofer (3.19.4)
+    html-proofer (4.2.0)
       addressable (~> 2.3)
       mercenary (~> 0.3)
       nokogiri (~> 1.13)
@@ -85,6 +85,7 @@ GEM
       rainbow (~> 3.0)
       typhoeus (~> 1.3)
       yell (~> 2.0)
+      zeitwerk (~> 2.5)
     http_parser.rb (0.8.0)
     i18n (1.10.0)
       concurrent-ruby (~> 1.0)