diff --git a/Gemfile b/Gemfile
index 8d062b5..2cdf7c5 100644
--- a/Gemfile
+++ b/Gemfile
@@ -19,7 +19,7 @@ gem 'rubygems-tasks'
 gem 'simplecov', require: false
 gem 'responders', '3.1.0'
 gem 'ffi', '1.12.2'
-gem 'nokogiri', '~> 1.10'
+gem 'nokogiri', '~> 1.18'
 gem 'loofah', '2.3.1'
 gem 'fakeredis', '0.8.0'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index ba2ba83..4f5560e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -125,8 +125,8 @@ GEM
     net-smtp (0.5.1)
       net-protocol
     nio4r (2.7.4)
-    nokogiri (1.13.10)
-      mini_portile2 (~> 2.8.0)
+    nokogiri (1.18.4)
+      mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     orm_adapter (0.5.0)
     paperclip (6.0.0)
@@ -278,7 +278,7 @@ DEPENDENCIES
   fuubar
   generator_spec
   loofah (= 2.3.1)
-  nokogiri (~> 1.10)
+  nokogiri (~> 1.18)
   pry
   rails-controller-testing
   responders (= 3.1.0)