diff --git a/dev-ml/xen-gnt/Manifest b/dev-ml/xen-gnt/Manifest
index c541047b7b..94ee082a7a 100644
--- a/dev-ml/xen-gnt/Manifest
+++ b/dev-ml/xen-gnt/Manifest
@@ -1 +1 @@
-DIST xen-gnt-v4.0.0.tbz 11113 BLAKE2B fc96116ad592e5ba64169cbb56c9ff7837fbe512e74185b4b64aae5f37318c41ffa1944596e69c87352e0241de54717aea6ae65d02fe0929616b7be6bf9d2022 SHA512 add0a28fc21bde76cc84b2735efdff1dba1849a95e79cf5946eca9af9c1698a5cc68f0701459631b8eea15b0234942bbeb12e744fef6fccd84e29549303f57d0
+DIST xen-gnt-4.0.1.tbz 11525 BLAKE2B ff979644451edf867251a16e855760adfa90d248f6cf74d45271072d0e0cdda84c8d1263478670a4e013e846993d9f7b9e8bdbf8dee2ec5e48365131427127c6 SHA512 24d34dc8d21eb65a0ead77b47a772120c084844732d3c4243aa7a6b61a269668c380eb8e625faf06d7d53fe69fc986cc19caec9a188717bdcf850ddee968f839
diff --git a/dev-ml/xen-gnt/xen-gnt-4.0.0.ebuild b/dev-ml/xen-gnt/xen-gnt-4.0.1.ebuild
similarity index 75%
rename from dev-ml/xen-gnt/xen-gnt-4.0.0.ebuild
rename to dev-ml/xen-gnt/xen-gnt-4.0.1.ebuild
index 74ba00cb22..e92657c4fe 100644
--- a/dev-ml/xen-gnt/xen-gnt-4.0.0.ebuild
+++ b/dev-ml/xen-gnt/xen-gnt-4.0.1.ebuild
@@ -7,8 +7,7 @@ inherit dune multiprocessing
 
 DESCRIPTION="OCaml bindings to the Xen grant tables libraries"
 HOMEPAGE="https://github.com/mirage/ocaml-gnt"
-SRC_URI="https://github.com/mirage/ocaml-gnt/releases/download/v${PV}/${PN}-v${PV}.tbz"
-S="${WORKDIR}/${PN}-v${PV}"
+SRC_URI="https://github.com/mirage/ocaml-gnt/releases/download/v${PV}/${P}.tbz"
 
 LICENSE="ISC"
 SLOT="0/${PV}"
@@ -16,17 +15,15 @@ KEYWORDS="~amd64"
 IUSE="ocamlopt unix"
 
 DEPEND="
-	dev-ml/cstruct
-	dev-ml/cmdliner
-	dev-ml/io-page
-	dev-ml/lwt
-	dev-ml/lwt-dllist
-	dev-ml/mirage-profile
+	>=dev-lang/ocaml-4.08.0:=[ocamlopt?]
+	dev-ml/cstruct:=
+	dev-ml/cmdliner:=
+	>=dev-ml/io-page-2.4.0:=
+	dev-ml/lwt:=
+	dev-ml/lwt-dllist:=
+	dev-ml/mirage-profile:=
 
-	unix? (
-		app-emulation/xen
-		dev-ml/io-page[unix(-)]
-	)
+	unix? ( app-emulation/xen )
 "
 RDEPEND="${DEPEND}"