diff --git a/Gemfile b/Gemfile
index a96ff2b..9747cda 100644
--- a/Gemfile
+++ b/Gemfile
@@ -90,6 +90,6 @@ gem 'her'
 
 gem 'nokogiri', '>= 1.8.5'
 
-gem 'rails-html-sanitizer', '~> 1.0.3'
+gem 'rails-html-sanitizer', '~> 1.4.3'
 gem 'ffi', '>= 1.9.24'
 gem 'loofah', '>= 2.2.3'
diff --git a/Gemfile.lock b/Gemfile.lock
index 70ce018..706417a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -861,8 +861,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.4.3)
+      loofah (~> 2.3)
     rails-i18n (5.1.2)
       i18n (>= 0.7, < 2)
       railties (>= 5.0, < 6)
@@ -1003,7 +1003,7 @@ DEPENDENCIES
   pry
   puma
   rails (~> 5.1.6.1)
-  rails-html-sanitizer (~> 1.0.3)
+  rails-html-sanitizer (~> 1.4.3)
   rails_12factor
   react-rails
   rspec-collection_matchers