diff --git a/utop.opam b/utop.opam
index 7a75ed8..5d9eef6 100644
--- a/utop.opam
+++ b/utop.opam
@@ -16,7 +16,7 @@ depends: [
   "camomile"
   "react" {>= "1.0.0"}
   "cppo" {build & >= "1.1.2"}
-  "dune"
+  "dune" {>= "1.0"}
 ]
 build: [
   ["dune" "subst"] {pinned}