diff --git a/dev-ml/gapi-ocaml/gapi-ocaml-0.4.6.ebuild b/dev-ml/gapi-ocaml/gapi-ocaml-0.4.6.ebuild
index d2f82ac6ce27d..91308dd72ec19 100644
--- a/dev-ml/gapi-ocaml/gapi-ocaml-0.4.6.ebuild
+++ b/dev-ml/gapi-ocaml/gapi-ocaml-0.4.6.ebuild
@@ -19,6 +19,7 @@ KEYWORDS="~amd64"
 IUSE="ocamlopt test"
 
 RDEPEND="
+	<dev-lang/ocaml-5.4
 	dev-ml/ocurl:=[ocamlopt?]
 	dev-ml/cryptokit:=[ocamlopt?]
 	dev-ml/yojson:=[ocamlopt?]