diff --git a/pkgs/development/ocaml-modules/tar/default.nix b/pkgs/development/ocaml-modules/tar/default.nix
index 52054958d3a..031bd4d5b14 100644
--- a/pkgs/development/ocaml-modules/tar/default.nix
+++ b/pkgs/development/ocaml-modules/tar/default.nix
@@ -1,40 +1,38 @@
 { lib
-, fetchFromGitHub
+, fetchurl
 , buildDunePackage
 , camlp-streams
 , ppx_cstruct
 , cstruct
-, re
-, ppx_tools
+, decompress
 }:
 
 buildDunePackage rec {
   pname = "tar";
-  version = "2.0.1";
-  src = fetchFromGitHub {
-    owner = "mirage";
-    repo = "ocaml-tar";
-    rev = "v${version}";
-    sha256 = "1zr1ak164k1jm15xwqjf1iv77kdrrahak33wrxg7lifz9nnl0dms";
+  version = "2.2.2";
+  src = fetchurl {
+    url = "https://github.com/mirage/ocaml-tar/releases/download/v${version}/tar-${version}.tbz";
+    hash = "sha256-Q+41LPFZFHi9sXKFV3F13FZZNO3KXRSElEmr+nH58Uw=";
   };
 
-  useDune2 = true;
+  duneVersion = "3";
+  minimalOCamlVersion = "4.08";
 
   propagatedBuildInputs = [
     camlp-streams
-    ppx_cstruct
     cstruct
-    re
+    decompress
   ];
 
   buildInputs = [
-    ppx_tools
+    ppx_cstruct
   ];
 
   doCheck = true;
 
   meta = {
-    description = "Decode and encode tar format files from Unix";
+    description = "Decode and encode tar format files in pure OCaml";
+    homepage = "https://github.com/mirage/ocaml-tar";
     license = lib.licenses.mit;
     maintainers = [ lib.maintainers.ulrikstrid ];
   };
diff --git a/pkgs/development/ocaml-modules/tar/unix.nix b/pkgs/development/ocaml-modules/tar/unix.nix
index 4ac1f625a02..9426a6aaf10 100644
--- a/pkgs/development/ocaml-modules/tar/unix.nix
+++ b/pkgs/development/ocaml-modules/tar/unix.nix
@@ -1,27 +1,22 @@
 { lib
 , buildDunePackage
 , tar
-, cstruct
 , cstruct-lwt
-, re
 , lwt
 }:
 
 buildDunePackage rec {
   pname = "tar-unix";
-  inherit (tar) version src useDune2 doCheck;
+  inherit (tar) version src doCheck;
+  duneVersion = "3";
 
   propagatedBuildInputs = [
     tar
-    cstruct
     cstruct-lwt
-    re
     lwt
   ];
 
-  meta = {
+  meta = tar.meta // {
     description = "Decode and encode tar format files from Unix";
-    license = lib.licenses.mit;
-    maintainers = [ lib.maintainers.ulrikstrid ];
   };
 }