diff --git a/Gemfile b/Gemfile
index 0c6fe59d3..78df1b368 100644
--- a/Gemfile
+++ b/Gemfile
@@ -70,7 +70,7 @@ gem 'i18n-js', '~> 3.6' # Localization in javascript files
 gem 'jbuilder' # JSON structures via a Builder-style DSL
 gem 'logging', '~> 2.0.0'
 gem 'nested_form_fields'
-gem 'nokogiri', '~> 1.11.0' # HTML/XML parser
+gem 'nokogiri', '~> 1.11.4' # HTML/XML parser
 gem 'rails_autolink', '~> 1.1', '>= 1.1.6'
 gem 'rgl' # Graph framework for project diagram calculations
 gem 'roo', '~> 2.8.2' # Spreadsheet parser
diff --git a/Gemfile.lock b/Gemfile.lock
index 79b4ee258..c79bd269b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -367,7 +367,7 @@ GEM
       nokogiri (~> 1)
     mini_magick (4.11.0)
     mini_mime (1.0.2)
-    mini_portile2 (2.5.0)
+    mini_portile2 (2.5.1)
     minitest (5.14.3)
     momentjs-rails (2.17.1)
       railties (>= 3.1)
@@ -382,7 +382,7 @@ GEM
       rails (>= 3.2.0)
     newrelic_rpm (6.15.0)
     nio4r (2.5.7)
-    nokogiri (1.11.1)
+    nokogiri (1.11.4)
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     nokogumbo (2.0.4)
@@ -683,7 +683,7 @@ DEPENDENCIES
   momentjs-rails (~> 2.17.1)
   nested_form_fields
   newrelic_rpm
-  nokogiri (~> 1.11.0)
+  nokogiri (~> 1.11.4)
   omniauth
   omniauth-azure-activedirectory
   omniauth-linkedin-oauth2