diff --git a/Gemfile b/Gemfile
index 7c4f79c..3b8c130 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', '~> 3.5.0'
-gem 'nokogiri', '~> 1.11.4'
+gem 'nokogiri', '~> 1.12.1'
 gem 'sass'
 gem 'webrick'
diff --git a/Gemfile.lock b/Gemfile.lock
index 84ccab4..2a7bd59 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -80,10 +80,10 @@ GEM
     middleman-syntax (3.2.0)
       middleman-core (>= 3.2)
       rouge (~> 3.2)
-    mini_portile2 (2.5.3)
+    mini_portile2 (2.6.1)
     minitest (5.14.4)
-    nokogiri (1.11.7)
-      mini_portile2 (~> 2.5.0)
+    nokogiri (1.12.1)
+      mini_portile2 (~> 2.6.1)
       racc (~> 1.4)
     padrino-helpers (0.15.1)
       i18n (>= 0.6.7, < 2)
@@ -132,7 +132,7 @@ DEPENDENCIES
   middleman-autoprefixer (~> 3.0)
   middleman-sprockets (~> 4.1)
   middleman-syntax (~> 3.2)
-  nokogiri (~> 1.11.4)
+  nokogiri (~> 1.12.1)
   redcarpet (~> 3.5.0)
   rouge (~> 3.21)
   sass