diff --git a/dune-project b/dune-project
index dbee43d..60acefa 100644
--- a/dune-project
+++ b/dune-project
@@ -30,7 +30,7 @@
   (fpath
    (>= 0.7.3))
   (fpath-base
-   (>= 0.2.0))
+   (>= 0.2.2))
   (ppx_compare
    (and
     (>= v0.17)
@@ -89,7 +89,7 @@
   (fpath
    (>= 0.7.3))
   (fpath-sexp0
-   (>= 0.2.0))
+   (>= 0.2.2))
   (ppx_compare
    (and
     (>= v0.17)
@@ -138,7 +138,7 @@
   (fpath
    (>= 0.7.3))
   (fpath-sexp0
-   (>= 0.2.0))
+   (>= 0.2.2))
   (ppx_compare
    (and
     (>= v0.17)
@@ -188,7 +188,7 @@
   (fpath
    (>= 0.7.3))
   (fpath-sexp0
-   (>= 0.2.0))
+   (>= 0.2.2))
   (ppx_compare
    (and
     (>= v0.17)
@@ -240,7 +240,7 @@
   (fpath
    (>= 0.7.3))
   (fpath-sexp0
-   (>= 0.2.0))
+   (>= 0.2.2))
   (ppx_compare
    (and
     (>= v0.17)
@@ -325,9 +325,9 @@
   (fpath
    (>= 0.7.3))
   (fpath-base
-   (>= 0.2.0))
+   (>= 0.2.2))
   (fpath-sexp0
-   (>= 0.2.0))
+   (>= 0.2.2))
   (mdx
    (and
     :with-doc
@@ -419,7 +419,7 @@
   (fpath
    (>= 0.7.3))
   (fpath-sexp0
-   (>= 0.2.0))
+   (>= 0.2.2))
   (ppx_compare
    (and
     (>= v0.17)
diff --git a/lib/vcs/src/trait_file_system.mli b/lib/vcs/src/trait_file_system.mli
index a6e38ae..7183ade 100644
--- a/lib/vcs/src/trait_file_system.mli
+++ b/lib/vcs/src/trait_file_system.mli
@@ -47,5 +47,5 @@ module type S = sig
       according to [String.compare]. This must error out if [dir] is not a
       directory, or if we don't have access to it. The unix entries "." and
       ".." shall not be included in the result. *)
-  val read_dir : t -> dir:Absolute_path.t -> Fpart.t list Or_error.t
+  val read_dir : t -> dir:Absolute_path.t -> Fsegment.t list Or_error.t
 end
diff --git a/lib/vcs/src/vcs.mli b/lib/vcs/src/vcs.mli
index 4ad25c6..8d8ee8a 100644
--- a/lib/vcs/src/vcs.mli
+++ b/lib/vcs/src/vcs.mli
@@ -110,8 +110,8 @@ val init : [> Trait.init ] t -> path:Absolute_path.t -> Repo_root.t
 val find_enclosing_repo_root
   :  [> Trait.file_system ] t
   -> from:Absolute_path.t
-  -> store:Fpart.t list
-  -> ([ `Store of Fpart.t ] * Repo_root.t) option
+  -> store:Fsegment.t list
+  -> ([ `Store of Fsegment.t ] * Repo_root.t) option
 
 (** [find_enclosing_git_repo_root vcs ~from:dir] is a convenient wrapper around
     {!val:find_enclosing_repo_root} for Git repositories. This is looking for
@@ -179,7 +179,7 @@ val save_file
 (** Returns the entries of the supplied directory, ordered increasingly
     according to [String.compare]. The result does not include the unix entries
     ".", "..". *)
-val read_dir : [> Trait.file_system ] t -> dir:Absolute_path.t -> Fpart.t list
+val read_dir : [> Trait.file_system ] t -> dir:Absolute_path.t -> Fsegment.t list
 
 (** {1 Branches & Tags} *)
 
diff --git a/lib/vcs/src/vcs0.ml b/lib/vcs/src/vcs0.ml
index bcead1d..044f88d 100644
--- a/lib/vcs/src/vcs0.ml
+++ b/lib/vcs/src/vcs0.ml
@@ -63,7 +63,9 @@ let init (Provider.T { t; handler }) ~path =
 let find_enclosing_repo_root t ~from ~store =
   let rec visit dir =
     let entries = read_dir t ~dir in
-    match List.find entries ~f:(fun entry -> List.mem store entry ~equal:Fpart.equal) with
+    match
+      List.find entries ~f:(fun entry -> List.mem store entry ~equal:Fsegment.equal)
+    with
     | Some entry ->
       let dir =
         Fpath.rem_empty_seg (dir :> Fpath.t)
@@ -80,7 +82,7 @@ let find_enclosing_repo_root t ~from ~store =
 ;;
 
 let find_enclosing_git_repo_root t ~from =
-  match find_enclosing_repo_root t ~from ~store:[ Fpart.dot_git ] with
+  match find_enclosing_repo_root t ~from ~store:[ Fsegment.dot_git ] with
   | None -> None
   | Some (_, repo_root) -> Some repo_root
 ;;
diff --git a/lib/vcs/src/vcs_interface.mli b/lib/vcs/src/vcs_interface.mli
index c55778f..4963172 100644
--- a/lib/vcs/src/vcs_interface.mli
+++ b/lib/vcs/src/vcs_interface.mli
@@ -64,8 +64,8 @@ module type S = sig
   val find_enclosing_repo_root
     :  [> Trait.file_system ] t
     -> from:Absolute_path.t
-    -> store:Fpart.t list
-    -> ([ `Store of Fpart.t ] * Repo_root.t) option result
+    -> store:Fsegment.t list
+    -> ([ `Store of Fsegment.t ] * Repo_root.t) option result
 
   val add
     :  [> Trait.add ] t
@@ -111,7 +111,7 @@ module type S = sig
     -> file_contents:File_contents.t
     -> unit result
 
-  val read_dir : [> Trait.file_system ] t -> dir:Absolute_path.t -> Fpart.t list result
+  val read_dir : [> Trait.file_system ] t -> dir:Absolute_path.t -> Fsegment.t list result
 
   val rename_current_branch
     :  [> Trait.branch ] t
diff --git a/lib/vcs_command/src/vcs_command.ml b/lib/vcs_command/src/vcs_command.ml
index 1549026..578d108 100644
--- a/lib/vcs_command/src/vcs_command.ml
+++ b/lib/vcs_command/src/vcs_command.ml
@@ -34,7 +34,7 @@ module Initialized = struct
 end
 
 let find_enclosing_repo_root vcs ~from =
-  match Vcs.find_enclosing_repo_root vcs ~from ~store:[ Fpart.dot_git ] with
+  match Vcs.find_enclosing_repo_root vcs ~from ~store:[ Fsegment.dot_git ] with
   | Some (`Store _, repo_root) -> repo_root
   | None ->
     Vcs.raise_s
@@ -130,9 +130,9 @@ let find_enclosing_repo_root_cmd =
      and store =
        Arg.named_opt
          [ "store" ]
-         (Param.comma_separated (Param.validated_string (module Fpart)))
+         (Param.comma_separated (Param.validated_string (module Fsegment)))
          ~doc:"stop the search if one of these entries is found (e.g. '.hg')"
-       >>| Option.value ~default:[ Fpart.dot_git ]
+       >>| Option.value ~default:[ Fsegment.dot_git ]
      in
      Eio_main.run
      @@ fun env ->
@@ -147,7 +147,7 @@ let find_enclosing_repo_root_cmd =
      | Some (`Store store, repo_root) ->
        Stdlib.Printf.printf
          "%s: %s\n"
-         (Fpart.to_string store)
+         (Fsegment.to_string store)
          (Vcs.Repo_root.to_string repo_root))
 ;;
 
@@ -307,7 +307,7 @@ let read_dir_cmd =
      let { Initialized.vcs; repo_root = _; cwd } = initialize ~env in
      let dir = Absolute_path.relativize ~root:cwd dir in
      let entries = Vcs.read_dir vcs ~dir in
-     print_sexp [%sexp (entries : Fpart.t list)];
+     print_sexp [%sexp (entries : Fsegment.t list)];
      ())
 ;;
 
diff --git a/lib/vcs_git_blocking/src/runtime.ml b/lib/vcs_git_blocking/src/runtime.ml
index 1d9db1f..bf5e0cc 100644
--- a/lib/vcs_git_blocking/src/runtime.ml
+++ b/lib/vcs_git_blocking/src/runtime.ml
@@ -48,7 +48,7 @@ let read_dir () ~dir =
   Or_error.try_with (fun () ->
     let entries = Stdlib.Sys.readdir (Absolute_path.to_string dir) in
     Array.sort entries ~compare:String.compare;
-    entries |> Array.map ~f:Fpart.v |> Array.to_list)
+    entries |> Array.map ~f:Fsegment.v |> Array.to_list)
 ;;
 
 let with_cwd ~cwd ~f =
diff --git a/lib/vcs_git_blocking/test/test__file_system.ml b/lib/vcs_git_blocking/test/test__file_system.ml
index 6f46fd8..9bd3b51 100644
--- a/lib/vcs_git_blocking/test/test__file_system.ml
+++ b/lib/vcs_git_blocking/test/test__file_system.ml
@@ -21,13 +21,13 @@
 
 let%expect_test "read_dir" =
   let vcs = Vcs_git_blocking.create () in
-  let read_dir dir = print_s [%sexp (Vcs.read_dir vcs ~dir : Fpart.t list)] in
+  let read_dir dir = print_s [%sexp (Vcs.read_dir vcs ~dir : Fsegment.t list)] in
   let cwd = Unix.getcwd () in
   let dir = Stdlib.Filename.temp_dir ~temp_dir:cwd "vcs_test" "" |> Absolute_path.v in
   let save_file file file_contents =
     Vcs.save_file
       vcs
-      ~path:(Absolute_path.extend dir (Fpart.v file))
+      ~path:(Absolute_path.extend dir (Fsegment.v file))
       ~file_contents:(Vcs.File_contents.create file_contents)
   in
   read_dir dir;
@@ -45,7 +45,7 @@ let%expect_test "read_dir" =
   let () =
     (* [Vcs.read_dir] errors out on non-existing directories. *)
     match Vcs.read_dir vcs ~dir:(Absolute_path.v "/non-existing") with
-    | (_ : Fpart.t list) -> assert false
+    | (_ : Fsegment.t list) -> assert false
     | exception Vcs.E err ->
       print_s (Vcs_test_helpers.redact_sexp (Vcs.Err.sexp_of_t err) ~fields:[ "dir" ])
   in
@@ -57,13 +57,13 @@ let%expect_test "read_dir" =
   let () =
     (* [Vcs.read_dir] errors out when called on an existing file rather than a
        directory. *)
-    let path = Absolute_path.extend dir (Fpart.v "foo") in
+    let path = Absolute_path.extend dir (Fsegment.v "foo") in
     let file_exists = Stdlib.Sys.file_exists (Absolute_path.to_string path) in
     assert file_exists;
     print_s [%sexp { file_exists : bool }];
     [%expect {| ((file_exists true)) |}];
     match Vcs.read_dir vcs ~dir:path with
-    | (_ : Fpart.t list) -> assert false
+    | (_ : Fsegment.t list) -> assert false
     | exception Vcs.E err ->
       print_s
         (Vcs_test_helpers.redact_sexp (Vcs.Err.sexp_of_t err) ~fields:[ "dir"; "error" ])
diff --git a/lib/vcs_git_blocking/test/test__hello_commit.ml b/lib/vcs_git_blocking/test/test__hello_commit.ml
index 71c2f52..80f4185 100644
--- a/lib/vcs_git_blocking/test/test__hello_commit.ml
+++ b/lib/vcs_git_blocking/test/test__hello_commit.ml
@@ -63,13 +63,13 @@ let%expect_test "hello commit" =
 
 let%expect_test "read_dir" =
   let vcs = Vcs_git_blocking.create () in
-  let read_dir dir = print_s [%sexp (Vcs.read_dir vcs ~dir : Fpart.t list)] in
+  let read_dir dir = print_s [%sexp (Vcs.read_dir vcs ~dir : Fsegment.t list)] in
   let cwd = Unix.getcwd () in
   let dir = Stdlib.Filename.temp_dir ~temp_dir:cwd "vcs_test" "" |> Absolute_path.v in
   let save_file file file_contents =
     Vcs.save_file
       vcs
-      ~path:(Absolute_path.extend dir (Fpart.v file))
+      ~path:(Absolute_path.extend dir (Fsegment.v file))
       ~file_contents:(Vcs.File_contents.create file_contents)
   in
   read_dir dir;
@@ -84,7 +84,7 @@ let%expect_test "read_dir" =
   [%expect {| (foo hello.txt) |}];
   let () =
     match Vcs.read_dir vcs ~dir:(Absolute_path.v "/invalid") with
-    | (_ : Fpart.t list) -> assert false
+    | (_ : Fsegment.t list) -> assert false
     | exception Vcs.E err -> print_s [%sexp (err : Vcs.Err.t)]
   in
   [%expect
diff --git a/lib/vcs_git_eio/src/runtime.ml b/lib/vcs_git_eio/src/runtime.ml
index ba737ce..958a05f 100644
--- a/lib/vcs_git_eio/src/runtime.ml
+++ b/lib/vcs_git_eio/src/runtime.ml
@@ -44,7 +44,7 @@ let save_file ?(perms = 0o666) t ~path ~(file_contents : Vcs.File_contents.t) =
 
 let read_dir t ~dir =
   let dir = Eio.Path.(t.fs / Absolute_path.to_string dir) in
-  Or_error.try_with (fun () -> Eio.Path.read_dir dir |> List.map ~f:Fpart.v)
+  Or_error.try_with (fun () -> Eio.Path.read_dir dir |> List.map ~f:Fsegment.v)
 ;;
 
 (* The modules [Exit_status], [Lines] and the function [git] below are derived
diff --git a/lib/vcs_git_eio/test/test__file_system.ml b/lib/vcs_git_eio/test/test__file_system.ml
index 8299c6f..626c2d3 100644
--- a/lib/vcs_git_eio/test/test__file_system.ml
+++ b/lib/vcs_git_eio/test/test__file_system.ml
@@ -27,11 +27,11 @@ let%expect_test "read_dir" =
   let vcs = Vcs_git_eio.create ~env in
   let repo_root = Vcs_test_helpers.init_temp_repo ~env ~sw ~vcs in
   let dir = Vcs.Repo_root.to_absolute_path repo_root in
-  let read_dir dir = print_s [%sexp (Vcs.read_dir vcs ~dir : Fpart.t list)] in
+  let read_dir dir = print_s [%sexp (Vcs.read_dir vcs ~dir : Fsegment.t list)] in
   let save_file file file_contents =
     Vcs.save_file
       vcs
-      ~path:(Absolute_path.extend dir (Fpart.v file))
+      ~path:(Absolute_path.extend dir (Fsegment.v file))
       ~file_contents:(Vcs.File_contents.create file_contents)
   in
   read_dir dir;
@@ -50,7 +50,7 @@ let%expect_test "read_dir" =
   let () =
     (* [Vcs.read_dir] errors out on non-existing directories. *)
     match Vcs.read_dir vcs ~dir:(Absolute_path.v "/non-existing") with
-    | (_ : Fpart.t list) -> assert false
+    | (_ : Fsegment.t list) -> assert false
     | exception Vcs.E err ->
       print_s
         (Vcs_test_helpers.redact_sexp (Vcs.Err.sexp_of_t err) ~fields:[ "dir"; "error" ])
@@ -59,13 +59,13 @@ let%expect_test "read_dir" =
   let () =
     (* [Vcs.read_dir] errors out when called on an existing file rather than a
        directory. *)
-    let path = Absolute_path.extend dir (Fpart.v "foo") in
+    let path = Absolute_path.extend dir (Fsegment.v "foo") in
     let file_exists = Stdlib.Sys.file_exists (Absolute_path.to_string path) in
     assert file_exists;
     print_s [%sexp { file_exists : bool }];
     [%expect {| ((file_exists true)) |}];
     match Vcs.read_dir vcs ~dir:path with
-    | (_ : Fpart.t list) -> assert false
+    | (_ : Fsegment.t list) -> assert false
     | exception Vcs.E err ->
       print_s
         (Vcs_test_helpers.redact_sexp (Vcs.Err.sexp_of_t err) ~fields:[ "dir"; "error" ])
diff --git a/test/expect/find_enclosing_repo_root.ml b/test/expect/find_enclosing_repo_root.ml
index 818b93e..c82561e 100644
--- a/test/expect/find_enclosing_repo_root.ml
+++ b/test/expect/find_enclosing_repo_root.ml
@@ -29,11 +29,11 @@ let%expect_test "find_enclosing_repo_root" =
   (* read_dir *)
   let () =
     let entries = Vcs.read_dir vcs ~dir:(Vcs.Repo_root.to_absolute_path repo_root) in
-    print_s [%sexp (entries : Fpart.t list)];
+    print_s [%sexp (entries : Fsegment.t list)];
     [%expect {| (.git) |}];
     (match Vcs.Result.read_dir vcs ~dir:(Vcs.Repo_root.to_absolute_path repo_root) with
      | Error _ -> assert false
-     | Ok entries -> print_s [%sexp (entries : Fpart.t list)]);
+     | Ok entries -> print_s [%sexp (entries : Fsegment.t list)]);
     [%expect {| (.git) |}]
   in
   (* Find the root from the root itself. *)
@@ -74,11 +74,11 @@ let%expect_test "find_enclosing_repo_root" =
        Vcs.find_enclosing_repo_root
          vcs
          ~from:subdir
-         ~store:[ Fpart.dot_git; Fpart.dot_hg ]
+         ~store:[ Fsegment.dot_git; Fsegment.dot_hg ]
      with
      | None -> assert false
      | Some (`Store store, repo_root2) ->
-       require_equal [%here] (module Fpart) store Fpart.dot_git;
+       require_equal [%here] (module Fsegment) store Fsegment.dot_git;
        require_equal [%here] (module Vcs.Repo_root) repo_root repo_root2;
        [%expect {||}]);
     (* 2. Non-raising [find_enclosing_repo_root]. *)
@@ -86,11 +86,11 @@ let%expect_test "find_enclosing_repo_root" =
        Vcs.Result.find_enclosing_repo_root
          vcs
          ~from:subdir
-         ~store:[ Fpart.dot_git; Fpart.dot_hg ]
+         ~store:[ Fsegment.dot_git; Fsegment.dot_hg ]
      with
      | Error _ | Ok None -> assert false
      | Ok (Some (`Store store, repo_root2)) ->
-       require_equal [%here] (module Fpart) store Fpart.dot_git;
+       require_equal [%here] (module Fsegment) store Fsegment.dot_git;
        require_equal [%here] (module Vcs.Repo_root) repo_root repo_root2;
        [%expect {||}]);
     (* 3. Raising [find_enclosing_git_repo_root]. *)
@@ -109,10 +109,10 @@ let%expect_test "find_enclosing_repo_root" =
       ~create:(`Or_truncate 0o666)
       Eio.Path.(Eio.Stdenv.fs env / Absolute_path.to_string stop_at / ".hg")
       "";
-    match Vcs.find_enclosing_repo_root vcs ~from:subdir ~store:[ Fpart.dot_hg ] with
+    match Vcs.find_enclosing_repo_root vcs ~from:subdir ~store:[ Fsegment.dot_hg ] with
     | None -> assert false
     | Some (`Store store, repo_root2) ->
-      require_equal [%here] (module Fpart) store Fpart.dot_hg;
+      require_equal [%here] (module Fsegment) store Fsegment.dot_hg;
       require_equal
         [%here]
         (module Vcs.Repo_root)
diff --git a/vcs-command.opam b/vcs-command.opam
index e3efb96..b2cf9dd 100644
--- a/vcs-command.opam
+++ b/vcs-command.opam
@@ -18,7 +18,7 @@ depends: [
   "eio_main" {>= "1.0"}
   "err" {>= "0.0.5"}
   "fpath" {>= "0.7.3"}
-  "fpath-sexp0" {>= "0.2.0"}
+  "fpath-sexp0" {>= "0.2.2"}
   "ppx_compare" {>= "v0.17" & < "v0.18"}
   "ppx_enumerate" {>= "v0.17" & < "v0.18"}
   "ppx_hash" {>= "v0.17" & < "v0.18"}
diff --git a/vcs-git-blocking.opam b/vcs-git-blocking.opam
index d167f0e..b019672 100644
--- a/vcs-git-blocking.opam
+++ b/vcs-git-blocking.opam
@@ -13,7 +13,7 @@ depends: [
   "ocaml" {>= "5.2"}
   "base" {>= "v0.17" & < "v0.18"}
   "fpath" {>= "0.7.3"}
-  "fpath-sexp0" {>= "0.2.0"}
+  "fpath-sexp0" {>= "0.2.2"}
   "ppx_compare" {>= "v0.17" & < "v0.18"}
   "ppx_enumerate" {>= "v0.17" & < "v0.18"}
   "ppx_hash" {>= "v0.17" & < "v0.18"}
diff --git a/vcs-git-eio.opam b/vcs-git-eio.opam
index 11c14b4..cb88b03 100644
--- a/vcs-git-eio.opam
+++ b/vcs-git-eio.opam
@@ -13,7 +13,7 @@ depends: [
   "base" {>= "v0.17" & < "v0.18"}
   "eio" {>= "1.0"}
   "fpath" {>= "0.7.3"}
-  "fpath-sexp0" {>= "0.2.0"}
+  "fpath-sexp0" {>= "0.2.2"}
   "ppx_compare" {>= "v0.17" & < "v0.18"}
   "ppx_enumerate" {>= "v0.17" & < "v0.18"}
   "ppx_hash" {>= "v0.17" & < "v0.18"}
diff --git a/vcs-git-provider.opam b/vcs-git-provider.opam
index 1248ed2..e21fb45 100644
--- a/vcs-git-provider.opam
+++ b/vcs-git-provider.opam
@@ -12,7 +12,7 @@ depends: [
   "ocaml" {>= "5.2"}
   "base" {>= "v0.17" & < "v0.18"}
   "fpath" {>= "0.7.3"}
-  "fpath-sexp0" {>= "0.2.0"}
+  "fpath-sexp0" {>= "0.2.2"}
   "ppx_compare" {>= "v0.17" & < "v0.18"}
   "ppx_enumerate" {>= "v0.17" & < "v0.18"}
   "ppx_hash" {>= "v0.17" & < "v0.18"}
diff --git a/vcs-test-helpers.opam b/vcs-test-helpers.opam
index 086ff2d..ae86e60 100644
--- a/vcs-test-helpers.opam
+++ b/vcs-test-helpers.opam
@@ -13,7 +13,7 @@ depends: [
   "base" {>= "v0.17" & < "v0.18"}
   "eio" {>= "1.0"}
   "fpath" {>= "0.7.3"}
-  "fpath-sexp0" {>= "0.2.0"}
+  "fpath-sexp0" {>= "0.2.2"}
   "ppx_compare" {>= "v0.17" & < "v0.18"}
   "ppx_enumerate" {>= "v0.17" & < "v0.18"}
   "ppx_hash" {>= "v0.17" & < "v0.18"}
diff --git a/vcs-tests.opam b/vcs-tests.opam
index f064f3d..ed70baf 100644
--- a/vcs-tests.opam
+++ b/vcs-tests.opam
@@ -24,8 +24,8 @@ depends: [
   "err" {>= "0.0.5"}
   "expect_test_helpers_core" {>= "v0.17" & < "v0.18"}
   "fpath" {>= "0.7.3"}
-  "fpath-base" {>= "0.2.0"}
-  "fpath-sexp0" {>= "0.2.0"}
+  "fpath-base" {>= "0.2.2"}
+  "fpath-sexp0" {>= "0.2.2"}
   "mdx" {with-doc & >= "2.4"}
   "ppx_compare" {>= "v0.17" & < "v0.18"}
   "ppx_enumerate" {>= "v0.17" & < "v0.18"}
diff --git a/vcs.opam b/vcs.opam
index 7cea265..064e790 100644
--- a/vcs.opam
+++ b/vcs.opam
@@ -12,7 +12,7 @@ depends: [
   "ocaml" {>= "5.2"}
   "base" {>= "v0.17" & < "v0.18"}
   "fpath" {>= "0.7.3"}
-  "fpath-base" {>= "0.2.0"}
+  "fpath-base" {>= "0.2.2"}
   "ppx_compare" {>= "v0.17" & < "v0.18"}
   "ppx_enumerate" {>= "v0.17" & < "v0.18"}
   "ppx_hash" {>= "v0.17" & < "v0.18"}