diff --git a/dune-project b/dune-project
index b82e8c33..b2b97b75 100644
--- a/dune-project
+++ b/dune-project
@@ -23,7 +23,7 @@
   )
 
  (depends
-  (dune                 (and :build (>= "1.4.0")))
+  (dune                 (>= "1.4.0"))
   (menhir               (>= "20170509"))
   (ocaml                (>= "4.04"))
   (odoc                 :with-doc)
diff --git a/morbig.opam b/morbig.opam
index f825eb96..4288f8ec 100644
--- a/morbig.opam
+++ b/morbig.opam
@@ -19,7 +19,7 @@ license: "GPL3-only"
 homepage: "https://github.com/colis-anr/morbig"
 bug-reports: "https://github.com/colis-anr/morbig/issues"
 depends: [
-  "dune" {build & >= "1.4.0"}
+  "dune" {>= "1.4.0"}
   "menhir" {>= "20170509"}
   "ocaml" {>= "4.04"}
   "odoc" {with-doc}