diff --git a/_config.yaml b/_config.yaml
index ace87f8..6718c3b 100644
--- a/_config.yaml
+++ b/_config.yaml
@@ -76,6 +76,8 @@ collections:
     permalink: /:collection/:title/
     output: true
 
+theme: jekyll-theme-isabelline
+
 defaults:
   - scope:
       type: blog