diff --git a/docs/Gemfile b/docs/Gemfile
index 6af58b18..b204b4b2 100644
--- a/docs/Gemfile
+++ b/docs/Gemfile
@@ -6,7 +6,7 @@ gem 'middleman', '~>4.3.8'
 gem 'middleman-autoprefixer', '~> 2.7'
 gem 'middleman-sprockets', '~> 4.1'
 gem 'middleman-syntax', '~> 3.2'
-gem 'nokogiri', '~> 1.14.3'
+gem 'nokogiri', '~> 1.16.5'
 gem 'redcarpet', '~> 3.5.1'
 gem 'rouge', '~> 3.20'
 gem 'sass'
diff --git a/docs/Gemfile.lock b/docs/Gemfile.lock
index 48d09ed7..0a57e14d 100644
--- a/docs/Gemfile.lock
+++ b/docs/Gemfile.lock
@@ -77,10 +77,10 @@ GEM
     middleman-syntax (3.2.0)
       middleman-core (>= 3.2)
       rouge (~> 3.2)
-    mini_portile2 (2.8.1)
+    mini_portile2 (2.8.6)
     minitest (5.14.2)
-    nokogiri (1.14.3)
-      mini_portile2 (~> 2.8.0)
+    nokogiri (1.16.5)
+      mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     padrino-helpers (0.13.3.4)
       i18n (~> 0.6, >= 0.6.7)
@@ -90,7 +90,7 @@ GEM
       activesupport (>= 3.1)
     parallel (1.19.2)
     public_suffix (4.0.6)
-    racc (1.6.2)
+    racc (1.7.3)
     rack (2.2.6.4)
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
@@ -127,7 +127,7 @@ DEPENDENCIES
   middleman-autoprefixer (~> 2.7)
   middleman-sprockets (~> 4.1)
   middleman-syntax (~> 3.2)
-  nokogiri (~> 1.14.3)
+  nokogiri (~> 1.16.5)
   redcarpet (~> 3.5.1)
   rouge (~> 3.20)
   sass