diff --git a/hugo.toml b/hugo.toml
index a1daff7..35462bd 100644
--- a/hugo.toml
+++ b/hugo.toml
@@ -4,3 +4,6 @@ title = 'My New Hugo Site'
 [taxonomies]
 	tag = 'tags'
 	chapterno = 'chapterno'
+[markup]
+    [markup.highlight]
+        style = 'gruvbox-light'