diff --git a/Gemfile b/Gemfile
index 761b391279..c500c9578c 100644
--- a/Gemfile
+++ b/Gemfile
@@ -111,7 +111,7 @@ gem 'httparty', '~> 0.22.0'
 gem 'slack-notifier', '~> 2.4.0'
 
 # css styles for emails
-gem 'nokogiri', '~> 1.16.7'
+gem 'nokogiri', '~> 1.17.0'
 gem 'premailer-rails', '~> 1.12.0'
 
 # filtering
diff --git a/Gemfile.lock b/Gemfile.lock
index 27ae6e2bee..79d56122cc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -312,7 +312,7 @@ GEM
       net-protocol
     net-ssh (7.1.0)
     nio4r (2.7.4)
-    nokogiri (1.16.8-x86_64-linux)
+    nokogiri (1.17.0-x86_64-linux)
       racc (~> 1.4)
     oauth2 (2.0.9)
       faraday (>= 0.17.3, < 3.0)
@@ -615,7 +615,7 @@ DEPENDENCIES
   minitest-ci (~> 3.4.0)
   minitest-utils (~> 0.4.8)
   mocha (~> 2.6.1)
-  nokogiri (~> 1.16.7)
+  nokogiri (~> 1.17.0)
   omniauth-google-oauth2 (~> 1.2.0)
   omniauth-oauth2 (~> 1.8.0)
   omniauth-rails_csrf_protection (~> 1.0.2)