Package mirage-fs-unix

Failed to find a solution:

no platform:
2024-05-29 14:58.16 [INFO] Solving for ocaml-base-compiler, ocaml,
                           mirage-fs-unix using opam_repository_commit 7311123dcaba6b163a96ad2219b8cc4e59df93a3

2024-05-29 14:58.22 [INFO] base: eliminated all possibilities in 2.63 s

2024-05-29 14:58.22 [INFO] = base =

2024-05-29 14:58.22 [INFO] Can't find all required versions.
Selected: base-bigarray.base base-bytes.base base-domains.base base-nnp.base
          base-threads.base base-unix.base cppo.1.6.9 csexp.1.5.2
          cstruct-lwt.3.7.0 dune.3.15.3 dune-configurator.3.15.3 lwt.5.7.0
          num.1.5 ocaml-options-vanilla.1 ocamlbuild.0.14.3 ocamlfind.1.9.6
          ocplib-endian.1.2 parsexp.v0.17.0 sexplib.v0.17.0 sexplib0.v0.17.0
          mirage-fs-unix&ocaml&ocaml-base-compiler ocaml base-domains ocaml
          ocaml-base-compiler
- cstruct -> cstruct.3.3.0
    cstruct-lwt 3.7.0 requires >= 3.2.0 & < 6.1.0
    mirage-fs-unix 1.1.0 requires >= 0.8.1 & < 3.4.0
- mirage-fs-unix -> mirage-fs-unix.1.1.0
    User requested = 1.1.0
- mirage-types -> mirage-types.1.2.0
    mirage-fs-unix 1.1.0 requires >= 1.1.0 & < 2.0.0
- ocaml -> (problem)
    User requested <= 5.1.1
    base-bytes base requires >= 4.02.0
    cppo 1.6.9 requires >= 4.02.3
    csexp 1.5.2 requires >= 4.03.0
    dune-configurator 3.15.3 requires >= 4.04.0
    lwt 5.7.0 requires >= 4.08
    mirage-fs-unix 1.1.0 requires = 0
    Rejected candidates:
      ocaml.5.1.1: Incompatible with restriction: = 0
      ocaml.5.1.0: Incompatible with restriction: = 0
      ocaml.5.0.1: Incompatible with restriction: = 0
      ocaml.5.0.0: Incompatible with restriction: = 0
      ocaml.4.14.3: Incompatible with restriction: = 0
      ...
- ocaml-base-compiler -> ocaml-base-compiler.5.2.0
    User requested >= 4.04.1