diff --git a/sample-ruby/Gemfile b/sample-ruby/Gemfile
index 424ece9..8a0f013 100644
--- a/sample-ruby/Gemfile
+++ b/sample-ruby/Gemfile
@@ -1,4 +1,4 @@
 source "https://rubygems.org"
 gem "sinatra", "~> 2.2"
-gem "webrick", "~> 1.7"
+gem "webrick", "~> 1.8"
 
diff --git a/sample-ruby/Gemfile.lock b/sample-ruby/Gemfile.lock
index 9a74875..ca9287c 100644
--- a/sample-ruby/Gemfile.lock
+++ b/sample-ruby/Gemfile.lock
@@ -13,14 +13,14 @@ GEM
       rack-protection (= 2.2.3)
       tilt (~> 2.0)
     tilt (2.0.11)
-    webrick (1.7.0)
+    webrick (1.8.2)
 
 PLATFORMS
   x86_64-linux
 
 DEPENDENCIES
   sinatra (~> 2.2)
-  webrick (~> 1.7)
+  webrick (~> 1.8)
 
 BUNDLED WITH
    2.3.7