diff --git a/_config.yml b/_config.yml
index 0e7ac28..71f8053 100644
--- a/_config.yml
+++ b/_config.yml
@@ -20,7 +20,7 @@ disqus_shortname: idrbwjekyll
 
 sidebar_tagline: Designers
 sidebar_version: Version 4.0
-theme_file: theme-green.css
+theme_file: theme-blue.css
 pdf_file_name: mydoc_designers_pdf.pdf
 
 port: 4009