diff --git a/catalog.yml b/catalog.yml
index 3fb2ef1..9be976c 100644
--- a/catalog.yml
+++ b/catalog.yml
@@ -234,3 +234,4 @@
 - repo_url: https://github.com/greenelab/optimizer-manuscript
   html_url: https://greenelab.github.io/optimizer-manuscript/
   preprint_citation: doi:10.1101/2023.06.26.546586
+- preprint_citation: doi:10.1101/2023.06.28.546898