diff --git a/_oasis b/_oasis
index a8c4dee04..305d7f260 100644
--- a/_oasis
+++ b/_oasis
@@ -2,7 +2,7 @@ OASISFormat:           0.4
 OCamlVersion:          >= 4.03.0
 FindlibVersion:        >= 1.3.2
 Name:                  ppx_let
-Version:               114.06+90
+Version:               114.08+30
 Synopsis:              Monadic let-bindings
 Authors:               Jane Street Group, LLC <opensource@janestreet.com>
 Copyrights:            (C) 2015-2016 Jane Street Group LLC <opensource@janestreet.com>
diff --git a/opam b/opam
index 5bc645771..11096c238 100644
--- a/opam
+++ b/opam
@@ -11,7 +11,7 @@ build: [
 ]
 depends: [
   "ocamlbuild"     {build}
-  "oasis"          {build & >= "0.4"}
+  "oasis"          {build & >= "0.4" & < "0.4.7"}
   "ocamlfind"      {build & >= "1.3.2"}
   "js-build-tools" {build}
   "ppx_core"