diff --git a/_config.yaml b/_config.yaml
index 463d37b..735b8ad 100644
--- a/_config.yaml
+++ b/_config.yaml
@@ -27,7 +27,7 @@ auto-cite:
         - ../_data/sources-2022.yaml
         - ../_data/sources-2023.yaml
   output: ../_data/citations.yaml
-  depth: 11
+  depth: 3
 
 # default front matter parameters for markdown files
 defaults: