diff --git a/Gemfile b/Gemfile
index 60821c84bfca..b154bbe11f97 100644
--- a/Gemfile
+++ b/Gemfile
@@ -21,7 +21,7 @@ group :jekyll_plugins do
 end
 
 gem 'sinatra', '2.1.0'
-gem 'nokogiri', '1.12.5'
+gem 'nokogiri', '1.13.9'
 
 # Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem
 # and associated library
diff --git a/Gemfile.lock b/Gemfile.lock
index 017425a245c0..848d3c9885f7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -26,7 +26,6 @@ GEM
     eventmachine (1.2.7)
     eventmachine (1.2.7-x64-mingw32)
     ffi (1.15.4)
-    ffi (1.15.4-x64-mingw32)
     forwardable-extended (2.6.0)
     http_parser.rb (0.6.0)
     i18n (1.8.10)
@@ -70,14 +69,12 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
-    mini_portile2 (2.6.1)
+    mini_portile2 (2.8.0)
     multi_json (1.15.0)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
-    nokogiri (1.12.5)
-      mini_portile2 (~> 2.6.1)
-      racc (~> 1.4)
-    nokogiri (1.12.5-x64-mingw32)
+    nokogiri (1.13.9)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
@@ -130,7 +127,7 @@ DEPENDENCIES
   jekyll-sitemap (= 1.4.0)
   jekyll-time-to-read (= 0.1.2)
   jekyll-toc (= 0.17.1)
-  nokogiri (= 1.12.5)
+  nokogiri (= 1.13.9)
   rake (= 13.0.6)
   sass-globbing (= 1.1.5)
   sassc (= 2.1.0)