diff --git a/ppx_let.opam b/ppx_let.opam
index bc530debb..f8112c827 100644
--- a/ppx_let.opam
+++ b/ppx_let.opam
@@ -12,7 +12,7 @@ depends: [
   "ppx_core"
   "ppx_driver"
   "jbuilder"                {build & >= "1.0+beta12"}
-  "ocaml-migrate-parsetree" {>= "0.4"}
+  "ocaml-migrate-parsetree" {>= "1.0"}
 ]
 available: [ ocaml-version >= "4.04.1" ]
 descr: "