diff --git a/Gemfile b/Gemfile
index 338ef96..4788fa6 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,4 +9,4 @@ gem "tzinfo-data", :install_if => Gem.win_platform?
 gem "wdm", "~> 0.1.1", :install_if => Gem.win_platform?
 gem "github-pages", "~> 226"
 
-gem "webrick", "~> 1.8"
+gem "webrick", "~> 1.9"
diff --git a/Gemfile.lock b/Gemfile.lock
index 9e63f80..b0ff5ca 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -256,7 +256,7 @@ GEM
     unicode-display_width (1.8.0)
     uri (1.1.1)
     wdm (0.1.1)
-    webrick (1.8.2)
+    webrick (1.9.2)
 
 PLATFORMS
   arm64-darwin-21
@@ -266,7 +266,7 @@ DEPENDENCIES
   github-pages (~> 226)
   tzinfo-data
   wdm (~> 0.1.1)
-  webrick (~> 1.8)
+  webrick (~> 1.9)
 
 BUNDLED WITH
    2.4.2