diff --git a/packages/jackline.0.1.0/opam b/packages/jackline.0.1.0/opam
index ffc68e6..a7c6a31 100644
--- a/packages/jackline.0.1.0/opam
+++ b/packages/jackline.0.1.0/opam
@@ -52,7 +52,7 @@ depends: [
   "happy-eyeballs-lwt" {>= "0.1.1"}
 ]
 build: [
-  ["dune" "subst"] {pinned}
+  ["dune" "subst"] {dev}
   [
     "dune"
     "build"