diff --git a/Gemfile.d/app.rb b/Gemfile.d/app.rb
index 32c4b80d2dc..5685bdc1af0 100644
--- a/Gemfile.d/app.rb
+++ b/Gemfile.d/app.rb
@@ -24,7 +24,7 @@ gem 'authlogic', '3.4.6'
 gem 'active_model-better_errors', '1.6.7', require: 'active_model/better_errors'
 gem 'dynamic_form', '1.1.4', require: false
 gem 'rails-patch-json-encode', '0.0.1'
-gem 'switchman', '1.3.17'
+gem 'switchman', '1.3.18'
 gem 'folio-pagination', '0.0.11', require: 'folio/rails'
   # for folio, see the folio README
   gem 'will_paginate', '3.0.7', require: false