diff --git a/demo/Gemfile b/demo/Gemfile
index 7f846f7..5757a54 100644
--- a/demo/Gemfile
+++ b/demo/Gemfile
@@ -1,3 +1,3 @@
 source "https://rubygems.org"
 
-gem 'jekyll-nagymaros', '~> 2.0', '>= 2.0.1'
+gem 'jekyll-nagymaros', '~> 2.2'