diff --git a/hugo.yaml b/hugo.yaml
index 25f8d89..3543120 100644
--- a/hugo.yaml
+++ b/hugo.yaml
@@ -42,4 +42,8 @@ outputFormats:
   rss:
     baseName: rss
 
+markup:
+  highlight:
+    style: gruvbox
+
 # vim: set tw=80 ts=4 sw=4 sts=4 nospell: