diff --git a/dev-ml/ppx_variants_conv/ppx_variants_conv-0.16.0.ebuild b/dev-ml/ppx_variants_conv/ppx_variants_conv-0.16.0-r1.ebuild
similarity index 90%
rename from dev-ml/ppx_variants_conv/ppx_variants_conv-0.16.0.ebuild
rename to dev-ml/ppx_variants_conv/ppx_variants_conv-0.16.0-r1.ebuild
index b17f535b9ab05..c578fd188d5d9 100644
--- a/dev-ml/ppx_variants_conv/ppx_variants_conv-0.16.0.ebuild
+++ b/dev-ml/ppx_variants_conv/ppx_variants_conv-0.16.0-r1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2024 Gentoo Authors
+# Copyright 1999-2025 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -18,6 +18,7 @@ DEPEND="
 	>=dev-lang/ocaml-4.14
 	dev-ml/variantslib:${SLOT}
 	>=dev-ml/ppxlib-0.28.0:=
+	<dev-ml/ppxlib-0.36.0
 	>=dev-ml/ocaml-compiler-libs-0.11.0:=
 "
 RDEPEND="${DEPEND}"