diff --git a/dev-ml/cudf/cudf-0.8.ebuild b/dev-ml/cudf/cudf-0.8-r1.ebuild
similarity index 98%
rename from dev-ml/cudf/cudf-0.8.ebuild
rename to dev-ml/cudf/cudf-0.8-r1.ebuild
index 1e637708faecc..91b6bcc1c7cfb 100644
--- a/dev-ml/cudf/cudf-0.8.ebuild
+++ b/dev-ml/cudf/cudf-0.8-r1.ebuild
@@ -20,6 +20,7 @@ RDEPEND="
 	dev-ml/extlib:=
 	dev-libs/glib:2
 	dev-ml/camlp4:=
+	dev-ml/cppo:=
 "
 DEPEND="${RDEPEND}
 	test? ( dev-ml/ounit )