diff --git a/dev-ml/ppx_sexp_conv/ppx_sexp_conv-0.16.0-r1.ebuild b/dev-ml/ppx_sexp_conv/ppx_sexp_conv-0.16.0-r2.ebuild
similarity index 91%
rename from dev-ml/ppx_sexp_conv/ppx_sexp_conv-0.16.0-r1.ebuild
rename to dev-ml/ppx_sexp_conv/ppx_sexp_conv-0.16.0-r2.ebuild
index b82c30c4f21fc..c78ff0022c934 100644
--- a/dev-ml/ppx_sexp_conv/ppx_sexp_conv-0.16.0-r1.ebuild
+++ b/dev-ml/ppx_sexp_conv/ppx_sexp_conv-0.16.0-r2.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
@@ -20,6 +20,7 @@ DEPEND="
 	dev-ml/base:${SLOT}[ocamlopt?]
 	dev-ml/findlib:=[ocamlopt?]
 	>=dev-ml/ppxlib-0.28:=[ocamlopt?]
+	<dev-ml/ppxlib-0.36.0
 	dev-ml/ocaml-compiler-libs:=[ocamlopt?]
 "
 RDEPEND="${DEPEND}"