Package lru_cache

Failed to find a solution:

no platform:
2024-05-01 21:17.11 [INFO] Solving for ocaml-base-compiler, ocaml,
                           lru_cache using opam_repository_commit 97c00ba187c8e45a3a63faedcb45e6e824f59baf

2024-05-01 21:18.25 [INFO] base: eliminated all possibilities in 1.11 s

2024-05-01 21:18.25 [INFO] = base =

2024-05-01 21:18.25 [INFO] Can't find all required versions.
Selected: base-bigarray.base base-domains.base base-nnp.base
          base-threads.base base-unix.base ocaml-config.3
          ocaml-options-vanilla.1 lru_cache&ocaml&ocaml-base-compiler
          ocaml-base-compiler ocaml-base-compiler ocaml base-domains
          ocaml-base-compiler
- lru_cache -> (problem)
    User requested = v0.16.0
    No usable implementations:
      lru_cache.v0.16.0: Availability condition not satisfied
      lru_cache.0.4.0: Rejected by user-specified constraint lru_cache (= v0.16.0)
- ocaml -> ocaml.5.1.1
    User requested <= 5.1.1
- ocaml-base-compiler -> ocaml-base-compiler.5.1.1
    User requested >= 4.04.1
    ocaml-base-compiler|ocaml-variants|ocaml-system|dkml-base-compiler ocaml-base-compiler requires >= 5.1.1~ & < 5.1.2~