diff --git a/Gemfile b/Gemfile
index ad1345c..ce78abe 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,6 +8,6 @@ gem 'middleman-autoprefixer', '~> 3.0'
 gem 'middleman-sprockets', '~> 4.1'
 gem 'rouge', '~> 3.21'
 gem 'redcarpet', '~> 3.6.0'
-gem 'nokogiri', '~> 1.18.9'
+gem 'nokogiri', '~> 1.19.1'
 gem 'sass'
 gem 'webrick'
diff --git a/Gemfile.lock b/Gemfile.lock
index 7a10f24..9ef2120 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -81,7 +81,7 @@ GEM
       rouge (~> 3.2)
     mini_portile2 (2.8.9)
     minitest (5.19.0)
-    nokogiri (1.18.9)
+    nokogiri (1.19.1)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     padrino-helpers (0.15.2)
@@ -130,7 +130,7 @@ DEPENDENCIES
   middleman-autoprefixer (~> 3.0)
   middleman-sprockets (~> 4.1)
   middleman-syntax (~> 3.2)
-  nokogiri (~> 1.18.9)
+  nokogiri (~> 1.19.1)
   redcarpet (~> 3.6.0)
   rouge (~> 3.21)
   sass