diff --git a/docs/0.12.1/Gemfile b/docs/0.12.1/Gemfile
index 0ba77c80b..de6ec3661 100644
--- a/docs/0.12.1/Gemfile
+++ b/docs/0.12.1/Gemfile
@@ -17,7 +17,7 @@ source 'http://rubygems.org'
 gem 'github-pages'
 gem 'redcarpet'
 gem 'jekyll-twitter-plugin'
-gem 'nokogiri', '1.15.4'
+gem 'nokogiri', '1.19.4'
 gem 'mini_portile2', '2.8.4'
 
 gem "webrick", "~> 1.8" # By upgrading ruby to 3.x
diff --git a/docs/0.12.1/Gemfile.lock b/docs/0.12.1/Gemfile.lock
index d0251dfa5..aefefaf0e 100644
--- a/docs/0.12.1/Gemfile.lock
+++ b/docs/0.12.1/Gemfile.lock
@@ -230,9 +230,13 @@ GEM
     minitest (5.25.1)
     net-http (0.4.1)
       uri
-    nokogiri (1.15.4)
+    nokogiri (1.19.4)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
+    nokogiri (1.19.4-arm64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.19.4-x86_64-linux-gnu)
+      racc (~> 1.4)
     octokit (4.25.1)
       faraday (>= 1, < 3)
       sawyer (~> 0.9)
@@ -277,7 +281,7 @@ DEPENDENCIES
   github-pages
   jekyll-twitter-plugin
   mini_portile2 (= 2.8.4)
-  nokogiri (= 1.15.4)
+  nokogiri (= 1.19.4)
   redcarpet
   webrick (~> 1.8)