diff --git a/Gemfile b/Gemfile
index faa6a81..8a49f52 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,4 +11,4 @@ git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }
 #
 #     bundle exec jekyll serve
 gem "github-pages", group: :jekyll_plugins
-gem "webrick", "~> 1.7"
+gem "webrick", "~> 1.8"
diff --git a/Gemfile.lock b/Gemfile.lock
index 833e682..34220d6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -253,7 +253,7 @@ GEM
       unf_ext
     unf_ext (0.0.8.2)
     unicode-display_width (1.8.0)
-    webrick (1.7.0)
+    webrick (1.8.2)
     zeitwerk (2.6.6)
 
 PLATFORMS
@@ -261,7 +261,7 @@ PLATFORMS
 
 DEPENDENCIES
   github-pages
-  webrick (~> 1.7)
+  webrick (~> 1.8)
 
 RUBY VERSION
    ruby 2.6.8p205