diff --git a/dune-project b/dune-project
index f18af38be..541ae745c 100644
--- a/dune-project
+++ b/dune-project
@@ -43,7 +43,7 @@
   (jsonoo
    (>= 0.2.1))
   (ocaml-version
-   (>= 3.4.0))
+   (>= 3.5.0))
   (ppxlib
    (>= 0.26.0))
   (opam-file-format