diff --git a/jhipster/jhipster-microservice/gateway-app/src/main/webapp/bower_components/bootstrap/Gemfile b/jhipster/jhipster-microservice/gateway-app/src/main/webapp/bower_components/bootstrap/Gemfile
index feb162291c38..62317d3431b5 100644
--- a/jhipster/jhipster-microservice/gateway-app/src/main/webapp/bower_components/bootstrap/Gemfile
+++ b/jhipster/jhipster-microservice/gateway-app/src/main/webapp/bower_components/bootstrap/Gemfile
@@ -2,5 +2,5 @@ source 'https://rubygems.org'
 
 group :development, :test do
   gem 'jekyll', '~> 3.1.2'
-  gem 'jekyll-sitemap', '~> 0.11.0'
+  gem 'jekyll-sitemap', '~> 0.12.0'
 end