diff --git a/Gemfile b/Gemfile
index 95029e3..d384480 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,5 +8,5 @@ gem 'middleman-autoprefixer', '~> 2.7'
 gem 'middleman-sprockets', '~> 4.1'
 gem 'rouge', '~> 3.2'
 gem 'redcarpet', '~> 3.4.0'
-gem 'nokogiri', '~> 1.10.8'
+gem 'nokogiri', '~> 1.12.5'
 gem 'sass'
diff --git a/Gemfile.lock b/Gemfile.lock
index fa11fe9..9774085 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -77,12 +77,13 @@ GEM
     middleman-syntax (3.2.0)
       middleman-core (>= 3.2)
       rouge (~> 3.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.14.0)
-    nokogiri (1.10.9)
-      mini_portile2 (~> 2.4.0)
-    nokogiri (1.10.9-x64-mingw32)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
+    nokogiri (1.12.5-x64-mingw32)
+      racc (~> 1.4)
     padrino-helpers (0.13.3.4)
       i18n (~> 0.6, >= 0.6.7)
       padrino-support (= 0.13.3.4)
@@ -91,6 +92,7 @@ GEM
       activesupport (>= 3.1)
     parallel (1.19.1)
     public_suffix (4.0.3)
+    racc (1.5.2)
     rack (2.2.2)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
@@ -128,7 +130,7 @@ DEPENDENCIES
   middleman-autoprefixer (~> 2.7)
   middleman-sprockets (~> 4.1)
   middleman-syntax (~> 3.2)
-  nokogiri (~> 1.10.8)
+  nokogiri (~> 1.12.5)
   redcarpet (~> 3.4.0)
   rouge (~> 3.2)
   sass