diff --git a/Gemfile b/Gemfile
index a3d4cd2..85638a8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,4 +6,4 @@ group :jekyll_plugins do
   # gem 'jekyll-brotli'
 end
 
-gem "webrick", "~> 1.8"
+gem "webrick", "~> 1.9"
diff --git a/Gemfile.lock b/Gemfile.lock
index 912d136..8b452a0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -268,7 +268,7 @@ GEM
       concurrent-ruby (~> 1.0)
     unicode-display_width (1.8.0)
     uri (0.13.0)
-    webrick (1.8.1)
+    webrick (1.9.0)
 
 PLATFORMS
   ruby
@@ -277,7 +277,7 @@ DEPENDENCIES
   github-pages
   jekyll-feed
   jekyll-gzip
-  webrick (~> 1.8)
+  webrick (~> 1.9)
 
 BUNDLED WITH
    2.4.5