diff --git a/Gemfile b/Gemfile
index 2fcb988..f1b369d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,3 @@
 source 'https://rubygems.org'
 
 gem 'github-pages', group: :jekyll_plugins
-gem 'rdiscount'
diff --git a/_config.yml b/_config.yml
index 97de31a..b36128a 100644
--- a/_config.yml
+++ b/_config.yml
@@ -1,4 +1,4 @@
-markdown: rdiscount
+markdown: kramdown
 permalink: /:year/:month/:title
 
 rdiscount: