diff --git a/Gemfile b/Gemfile
index 2cb162f..9cc21de 100644
--- a/Gemfile
+++ b/Gemfile
@@ -11,7 +11,7 @@ gem 'ripper-tags'
 # Uncomment these if you want to use a visual debugger (e.g. Visual Studio Code) to debug your app
 #gem 'ruby-debug-ide'
 #gem 'debase'
-gem 'nokogiri', '1.10.10'
+gem 'nokogiri', '1.13.4'
 
 # Specify your gem's runtime dependencies in test_ids.gemspec
 # THIS LINE SHOULD BE LEFT AT THE END
diff --git a/Gemfile.lock b/Gemfile.lock
index 59e3356..3a6b61b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,7 +61,7 @@ GEM
     mime-types (3.3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2021.0704)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     minitest (5.14.4)
     multi_json (1.15.0)
     multi_xml (0.6.0)
@@ -69,8 +69,9 @@ GEM
       cri (~> 2.3)
     net-ldap (0.17.0)
     netrc (0.11.0)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.4)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     origen (0.60.1)
       activesupport (~> 4.1)
       bundler (> 1.7)
@@ -118,6 +119,7 @@ GEM
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
+    racc (1.6.0)
     rainbow (2.2.2)
       rake
     rake (10.5.0)
@@ -186,7 +188,7 @@ PLATFORMS
 DEPENDENCIES
   byebug (~> 8)
   coveralls
-  nokogiri (= 1.10.10)
+  nokogiri (= 1.13.4)
   origen_doc_helpers
   ripper-tags
   test_ids!