diff --git a/Gemfile b/Gemfile
index 2f27c87fa727..6d5e1f773c30 100644
--- a/Gemfile
+++ b/Gemfile
@@ -19,4 +19,4 @@ group :jekyll_plugins do
 end
 
 gem 'sinatra', '2.0.7'
-gem 'nokogiri', '1.10.4'
+gem 'nokogiri', '1.13.9'
diff --git a/Gemfile.lock b/Gemfile.lock
index baa5809420aa..083da1a95629 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -19,7 +19,7 @@ GEM
       sass (>= 3.3.0, < 3.5)
     compass-import-once (1.0.5)
       sass (>= 3.2, < 3.5)
-    concurrent-ruby (1.1.5)
+    concurrent-ruby (1.1.10)
     em-websocket (0.5.1)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0.6.0)
@@ -27,7 +27,7 @@ GEM
     ffi (1.11.1)
     forwardable-extended (2.6.0)
     http_parser.rb (0.6.0)
-    i18n (1.6.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     jekyll (4.0.0)
       addressable (~> 2.4)
@@ -62,20 +62,21 @@ GEM
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     liquid (4.0.3)
-    listen (3.1.5)
-      rb-fsevent (~> 0.9, >= 0.9.4)
-      rb-inotify (~> 0.9, >= 0.9.7)
-      ruby_dep (~> 1.2)
+    listen (3.7.1)
+      rb-fsevent (~> 0.10, >= 0.10.3)
+      rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     multi_json (1.13.1)
     mustermann (1.0.3)
-    nokogiri (1.10.4)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (4.0.1)
-    rack (2.0.7)
+    racc (1.6.0)
+    rack (2.2.4)
     rack-protection (2.0.7)
       rack
     rake (12.3.3)
@@ -85,7 +86,6 @@ GEM
     rouge (3.9.0)
     ruby-enum (0.7.2)
       i18n
-    ruby_dep (1.5.0)
     safe_yaml (1.0.5)
     sass (3.4.25)
     sass-globbing (1.1.5)
@@ -114,7 +114,7 @@ DEPENDENCIES
   jekyll-redirect-from (= 0.15.0)
   jekyll-sitemap (= 1.3.1)
   jekyll-time-to-read (= 0.1.2)
-  nokogiri (= 1.10.4)
+  nokogiri (= 1.13.9)
   rake (= 12.3.3)
   sass-globbing (= 1.1.5)
   sinatra (= 2.0.7)