diff --git a/website/config.rb b/website/config.rb
index 6d5da1110..fb66cd2ad 100644
--- a/website/config.rb
+++ b/website/config.rb
@@ -45,7 +45,9 @@ set :images_dir, 'images'
 
 # Use the RedCarpet Markdown engine
 set :markdown_engine, :redcarpet
-set :markdown, :fenced_code_blocks => true
+set :markdown,
+    :fenced_code_blocks => true,
+    :with_toc_data => true
 
 # Build-specific configuration
 configure :build do