diff --git a/packages.txt b/packages.txt
index ffcbb32..62771ab 100644
--- a/packages.txt
+++ b/packages.txt
@@ -3254,7 +3254,7 @@ libnvme
 marshalparser
 catatonit
 ocaml-camomile
-ocaml-csex
+ocaml-csexp
 ocaml-dune
 keylime
 keylime-agent-rust