diff --git a/dev-ml/ppx_fields_conv/ppx_fields_conv-0.17.0.ebuild b/dev-ml/ppx_fields_conv/ppx_fields_conv-0.17.0-r1.ebuild
similarity index 77%
rename from dev-ml/ppx_fields_conv/ppx_fields_conv-0.17.0.ebuild
rename to dev-ml/ppx_fields_conv/ppx_fields_conv-0.17.0-r1.ebuild
index 425e9dea61ced..3b2e57705f691 100644
--- a/dev-ml/ppx_fields_conv/ppx_fields_conv-0.17.0.ebuild
+++ b/dev-ml/ppx_fields_conv/ppx_fields_conv-0.17.0-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
@@ -14,10 +14,13 @@ SLOT="0/$(ver_cut 1-2)"
 KEYWORDS="~amd64 ~arm64 ~ppc ~ppc64"
 IUSE="+ocamlopt"
 
+# Jane Street Minor
+JSM=$(ver_cut 1-2)*
+
 RDEPEND="
 	>=dev-lang/ocaml-5
-	dev-ml/base:${SLOT}[ocamlopt?]
-	dev-ml/fieldslib:${SLOT}[ocamlopt?]
+	=dev-ml/base-${JSM}:=[ocamlopt?]
+	=dev-ml/fieldslib-${JSM}:=[ocamlopt?]
 	>=dev-ml/ppxlib-0.32.1:=[ocamlopt?]
 "
 DEPEND="${RDEPEND}"