diff --git a/Gemfile b/Gemfile
index 829c76a..396feec 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ source 'https://rubygems.org'
 gemspec
 
 # Nokogiri parses and searches XML/HTML using native libraries (either C or Java, depending on your Ruby), which means it's fast and standards-compliant.
-gem 'nokogiri', '~> 1.10.7'
+gem 'nokogiri', '~> 1.13.4'
 
 # Rack provides a minimal, modular and adaptable interface for developing web applications in Ruby.
 # Fix CVE-2019-16782 https://github.com/rack/rack/security/advisories/GHSA-hrqr-hxpp-chr3
diff --git a/Gemfile.lock b/Gemfile.lock
index 4f0a4ff..cd6db6e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -51,10 +51,11 @@ GEM
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     method_source (0.9.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.14.0)
-    nokogiri (1.10.7)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.4)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     overcommit (0.46.0)
       childprocess (~> 0.6, >= 0.6.3)
       iniparse (~> 1.4)
@@ -62,6 +63,7 @@ GEM
     parser (2.5.1.2)
       ast (~> 2.4.0)
     powerpack (0.1.2)
+    racc (1.6.0)
     rack (2.1.1)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -114,7 +116,7 @@ DEPENDENCIES
   bundler-audit (~> 0.6.0)
   fasterer (~> 0.4.1)
   loofah (~> 2.4.0)
-  nokogiri (~> 1.10.7)
+  nokogiri (~> 1.13.4)
   overcommit (~> 0.46.0)
   rack (~> 2.1.1)
   rake (~> 12.3.0)