Update _config.yml

_config.yml

@@ -1,26 +1,30 @@
 # Dependencies
-markdown:         redcarpet
-highlighter:      pygments
+markdown: kramdown
+highlighter: rouge
 
 # Permalinks
-permalink:        pretty
-relative_permalinks: true
+permalink: pretty
 
 # Setup
-title:            Hyde
-tagline:          'A Jekyll theme'
-description:      'A brazen two-column <a href="http://jekyllrb.com" target="_blank">Jekyll</a> theme that pairs a prominent sidebar with uncomplicated content. Made by <a href="https://twitter.com/mdo" target="_blank">@mdo</a>.'
-url:              http://hyde.getpoole.com
-baseurl:          /
+title: Hyde
+tagline: 'A Jekyll theme'
+description: 'A brazen two-column <a href="http://jekyllrb.com" target="_blank">Jekyll</a> theme that pairs a prominent sidebar with uncomplicated content. Made by <a href="https://twitter.com/mdo" target="_blank">@mdo</a>.'
+url: http://hyde.getpoole.com
+baseurl: /
 
 author:
-  name:           'Mark Otto'
-  url:            https://twitter.com/mdo
+  name: 'Mark Otto'
+  url: https://twitter.com/mdo
 
-paginate:         5
+paginate: 5
 
 # Custom vars
-version:          2.1.0
+version: 2.1.0
 
 github:
-  repo:           https://github.com/poole/hyde
+  repo: https://github.com/poole/hyde
+
+# Use GitHub Pages compatible Jekyll version
+github-pages:
+  version: ">= 227, < 228"
+