diff --git a/_config.yml b/_config.yml
index 3e89c9e5a45de73e6d506ad59b10156ec40db0f5..167a175199ba5c19fd20f2bc9b262f906c92be8e 100644
--- a/_config.yml
+++ b/_config.yml
@@ -26,7 +26,7 @@ github_username:  jekyll
 
 # Build settings
 markdown: kramdown
-theme: jekyll-theme-hacker
+theme: jekyll-theme-cayman
 plugins:
   - jekyll-feed