diff --git a/dev-ml/ppx_optcomp/ppx_optcomp-0.9.0-r1.ebuild b/dev-ml/ppx_optcomp/ppx_optcomp-0.9.0-r2.ebuild
similarity index 95%
rename from dev-ml/ppx_optcomp/ppx_optcomp-0.9.0-r1.ebuild
rename to dev-ml/ppx_optcomp/ppx_optcomp-0.9.0-r2.ebuild
index 9fc51ce45569a..6c86a487aa639 100644
--- a/dev-ml/ppx_optcomp/ppx_optcomp-0.9.0-r1.ebuild
+++ b/dev-ml/ppx_optcomp/ppx_optcomp-0.9.0-r2.ebuild
@@ -15,6 +15,7 @@ IUSE=""
 DEPEND="
 	dev-ml/ppx_core:=
 	dev-lang/ocaml:=
+	dev-ml/ocaml-migrate-parsetree:=
 "
 RDEPEND="${DEPEND}"
 DEPEND="${DEPEND} dev-ml/opam dev-ml/jbuilder"