diff --git a/Gemfile b/Gemfile
index f2e8441..6c58623 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', '~> 1.13.3'
+gem 'nokogiri', '~> 1.15.5'
 gem 'sass'
 gem 'webrick'
diff --git a/Gemfile.lock b/Gemfile.lock
index 8e6f71e..922320a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -80,10 +80,10 @@ GEM
     middleman-syntax (3.3.0)
       middleman-core (>= 3.2)
       rouge (~> 3.2)
-    mini_portile2 (2.8.0)
+    mini_portile2 (2.8.5)
     minitest (5.16.3)
-    nokogiri (1.13.9)
-      mini_portile2 (~> 2.8.0)
+    nokogiri (1.15.5)
+      mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     padrino-helpers (0.15.1)
       i18n (>= 0.6.7, < 2)
@@ -93,7 +93,7 @@ GEM
     parallel (1.22.1)
     parslet (2.0.0)
     public_suffix (5.0.0)
-    racc (1.6.0)
+    racc (1.7.3)
     rack (2.2.4)
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
@@ -132,7 +132,7 @@ DEPENDENCIES
   middleman-autoprefixer (~> 3.0)
   middleman-sprockets (~> 4.1)
   middleman-syntax (~> 3.2)
-  nokogiri (~> 1.13.3)
+  nokogiri (~> 1.15.5)
   redcarpet (~> 3.6.0)
   rouge (~> 3.21)
   sass