diff --git a/ppx_let.opam b/ppx_let.opam
index ff2a3f3fd..a56d70015 100644
--- a/ppx_let.opam
+++ b/ppx_let.opam
@@ -14,7 +14,7 @@ depends: [
   "ocaml-migrate-parsetree" {>= "1.0"}
   "ppxlib"                  {>= "0.1.0"}
 ]
-available: [ ocaml-version >= "4.04.1" ]
+available: [ ocaml-version >= "4.04.2" ]
 descr: "
 Monadic let-bindings