diff --git a/Gemfile b/Gemfile
index 33d9d3b..f0fca15 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,3 +1,5 @@
 source "https://rubygems.org"
 
 gem 'github-pages', group: :jekyll_plugins
+
+gem "webrick", "~> 1.8"
diff --git a/Gemfile.lock b/Gemfile.lock
index 35794fb..6fbf0e9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -210,6 +210,8 @@ GEM
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     minitest (5.19.0)
+    nokogiri (1.15.4-arm64-darwin)
+      racc (~> 1.4)
     nokogiri (1.15.4-x86_64-linux)
       racc (~> 1.4)
     octokit (4.25.1)
@@ -247,12 +249,15 @@ GEM
       unf_ext
     unf_ext (0.0.8.2)
     unicode-display_width (1.8.0)
+    webrick (1.8.1)
 
 PLATFORMS
+  arm64-darwin-22
   x86_64-linux-musl
 
 DEPENDENCIES
   github-pages
+  webrick (~> 1.8)
 
 BUNDLED WITH
-   2.4.19
+   2.4.20