diff --git a/Gemfile b/Gemfile
index eaaf81250097abe85878c0f865e8aa86808de6d3..e0f892e892902e45d962358176b53b682c3c071b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -129,7 +129,7 @@ gem 'asciidoctor-plantuml', '0.0.8'
 gem 'rouge', '~> 3.1'
 gem 'truncato', '~> 0.7.11'
 gem 'bootstrap_form', '~> 4.2.0'
-gem 'nokogiri', '~> 1.10.1'
+gem 'nokogiri', '~> 1.10.3'
 gem 'escape_utils', '~> 1.1'
 
 # Calendar rendering
diff --git a/Gemfile.lock b/Gemfile.lock
index ba4418cd8b375f3b8442fc7f07625537b6268575..d214892eed7886158f99fa66e927e88da4413808 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -494,7 +494,7 @@ GEM
     net-ssh (5.0.1)
     netrc (0.11.0)
     nio4r (2.3.1)
-    nokogiri (1.10.2)
+    nokogiri (1.10.3)
       mini_portile2 (~> 2.4.0)
     nokogumbo (1.5.0)
       nokogiri
@@ -1104,7 +1104,7 @@ DEPENDENCIES
   nakayoshi_fork (~> 0.0.4)
   net-ldap
   net-ssh (~> 5.0)
-  nokogiri (~> 1.10.1)
+  nokogiri (~> 1.10.3)
   oauth2 (~> 1.4)
   octokit (~> 4.9)
   omniauth (~> 1.8)
diff --git a/qa/Gemfile b/qa/Gemfile
index 38e95ba2d6564fb7d9b2301bd712d80e7a348b1a..64215b24cf19db1226bffd7d289278905198a206 100644
--- a/qa/Gemfile
+++ b/qa/Gemfile
@@ -7,6 +7,6 @@ gem 'rake', '~> 12.3.0'
 gem 'rspec', '~> 3.7'
 gem 'selenium-webdriver', '~> 3.12'
 gem 'airborne', '~> 0.2.13'
-gem 'nokogiri', '~> 1.10.1'
+gem 'nokogiri', '~> 1.10.3'
 gem 'rspec-retry', '~> 0.6.1'
 gem 'faker', '~> 1.6', '>= 1.6.6'
diff --git a/qa/Gemfile.lock b/qa/Gemfile.lock
index 9d3d42fb6aeb0abb263ad8ad58685ba03a37694d..a06c88b6f0a63bc4f5cc4fdf1d3ea649210f01b7 100644
--- a/qa/Gemfile.lock
+++ b/qa/Gemfile.lock
@@ -49,7 +49,7 @@ GEM
     mini_portile2 (2.4.0)
     minitest (5.11.1)
     netrc (0.11.0)
-    nokogiri (1.10.2)
+    nokogiri (1.10.3)
       mini_portile2 (~> 2.4.0)
     pry (0.11.3)
       coderay (~> 1.1.0)
@@ -102,7 +102,7 @@ DEPENDENCIES
   capybara (~> 2.16.1)
   capybara-screenshot (~> 1.0.18)
   faker (~> 1.6, >= 1.6.6)
-  nokogiri (~> 1.10.1)
+  nokogiri (~> 1.10.3)
   pry-byebug (~> 3.5.1)
   rake (~> 12.3.0)
   rspec (~> 3.7)