diff --git a/packages/cudajit/cudajit.0.4.0/opam b/packages/cudajit/cudajit.0.4.0/opam
index 56965b247cec..0c0d9c322507 100644
--- a/packages/cudajit/cudajit.0.4.0/opam
+++ b/packages/cudajit/cudajit.0.4.0/opam
@@ -14,7 +14,7 @@ bug-reports: "https://github.com/lukstafi/ocaml-cudajit/issues"
 depends: [
   "ocaml" {>= "4.08"}
   "dune" {>= "3.11"}
-  "ctypes"
+  "ctypes" {>= "0.14.0"}
   "ctypes-foreign"
   "sexplib0"
   "ppx_sexp_conv"