diff --git a/Gemfile b/Gemfile
index 1a4c442..cc699b6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,7 +1,7 @@
 source "https://rubygems.org"
 gem 'github-pages'
 gem 'jekyll-feed'
-gem 'webrick', '~> 1.8'
+gem 'webrick', '~> 1.9'
 group :jekyll_plugins do
   gem 'jekyll-gzip'
   # gem 'jekyll-brotli'
diff --git a/Gemfile.lock b/Gemfile.lock
index 577538f..c48a587 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -266,7 +266,7 @@ GEM
       concurrent-ruby (~> 1.0)
     unicode-display_width (1.8.0)
     uri (0.13.0)
-    webrick (1.8.2)
+    webrick (1.9.0)
 
 PLATFORMS
   ruby
@@ -275,7 +275,7 @@ DEPENDENCIES
   github-pages
   jekyll-feed
   jekyll-gzip
-  webrick (~> 1.8)
+  webrick (~> 1.9)
 
 BUNDLED WITH
    2.5.11