diff --git a/dev-ml/ppxlib/ppxlib-0.33.0-r1.ebuild b/dev-ml/ppxlib/ppxlib-0.33.0-r2.ebuild
similarity index 97%
rename from dev-ml/ppxlib/ppxlib-0.33.0-r1.ebuild
rename to dev-ml/ppxlib/ppxlib-0.33.0-r2.ebuild
index 5d22cc4a856be..7e87912888593 100644
--- a/dev-ml/ppxlib/ppxlib-0.33.0-r1.ebuild
+++ b/dev-ml/ppxlib/ppxlib-0.33.0-r2.ebuild
@@ -25,7 +25,7 @@ JSM=0.17
 
 # It also works with ocaml >= 4 but tests are to be fixed
 RDEPEND="
-	>=dev-lang/ocaml-5:=
+	<dev-lang/ocaml-5.3:=
 	>=dev-ml/ocaml-compiler-libs-0.17:=[ocamlopt?]
 	dev-ml/ppx_derivers:=[ocamlopt?]
 	=dev-ml/sexplib0-${JSM}*:=[ocamlopt?]
diff --git a/dev-ml/ppxlib/ppxlib-0.36.2.ebuild b/dev-ml/ppxlib/ppxlib-0.36.2-r1.ebuild
similarity index 97%
rename from dev-ml/ppxlib/ppxlib-0.36.2.ebuild
rename to dev-ml/ppxlib/ppxlib-0.36.2-r1.ebuild
index 8cd1e36a77bfc..e8c28617bd408 100644
--- a/dev-ml/ppxlib/ppxlib-0.36.2.ebuild
+++ b/dev-ml/ppxlib/ppxlib-0.36.2-r1.ebuild
@@ -21,6 +21,7 @@ IUSE="+ocamlopt test"
 RESTRICT="test" # Test works only with ocaml >= 5
 
 RDEPEND="
+	<dev-lang/ocaml-5.4
 	dev-ml/ocaml-compiler-libs:=[ocamlopt?]
 	dev-ml/ppx_derivers:=[ocamlopt?]
 	dev-ml/sexplib0:=[ocamlopt?]