diff --git a/modules/lang/ocaml/config.el b/modules/lang/ocaml/config.el
index 4ab8956ca..b678437b5 100644
--- a/modules/lang/ocaml/config.el
+++ b/modules/lang/ocaml/config.el
@@ -1,5 +1,8 @@
 ;;; lang/ocaml/config.el -*- lexical-binding: t; -*-
 
+(after! projectile
+  (pushnew! projectile-project-root-files "dune-project"))
+
 ;;
 ;;; Packages