diff --git a/_config.yml b/_config.yml
index 4b4ad92..e7666e3 100644
--- a/_config.yml
+++ b/_config.yml
@@ -27,7 +27,7 @@ gems:      [jekyll-paginate]
 
 # Conversion
 markdown:    kramdown
-highlighter: pygments
+highlighter: rouge
 lsi:         false
 excerpt_separator: "\n\n"
 # incremental: false