diff --git a/dev-ml/ppx_deriving/ppx_deriving-6.0.3.ebuild b/dev-ml/ppx_deriving/ppx_deriving-6.0.3-r1.ebuild
similarity index 96%
rename from dev-ml/ppx_deriving/ppx_deriving-6.0.3.ebuild
rename to dev-ml/ppx_deriving/ppx_deriving-6.0.3-r1.ebuild
index 6a2f47356657e..2b2d47a218a1a 100644
--- a/dev-ml/ppx_deriving/ppx_deriving-6.0.3.ebuild
+++ b/dev-ml/ppx_deriving/ppx_deriving-6.0.3-r1.ebuild
@@ -19,6 +19,7 @@ RDEPEND="
 	dev-ml/findlib:=[ocamlopt?]
 	dev-ml/ppx_derivers:=[ocamlopt?]
 	>=dev-ml/ppxlib-0.32.0:=[ocamlopt?]
+	<dev-ml/ppxlib-0.36
 "
 DEPEND="${RDEPEND}
 	dev-ml/cppo[ocamlopt?]