diff --git a/pkgs/development/ocaml-modules/irmin/1.4.nix b/pkgs/development/ocaml-modules/irmin/1.4.nix
new file mode 100644
index 000000000000..878160f4b0aa
--- /dev/null
+++ b/pkgs/development/ocaml-modules/irmin/1.4.nix
@@ -0,0 +1,26 @@
+{ lib, fetchurl, buildDunePackage, ocaml
+, astring, cstruct, fmt, hex, jsonm, logs, ocaml_lwt, ocamlgraph, uri
+}:
+
+buildDunePackage rec {
+  pname = "irmin";
+  version = "1.4.0";
+
+  minimumOCamlVersion = "4.03";
+
+  src = fetchurl {
+    url = "https://github.com/mirage/${pname}/releases/download/${version}/${pname}-${version}.tbz";
+    sha256 = "019di4cz0z65knl232rnwj26npnc1mqh8j71xbf0mav6x350g1w5";
+  };
+
+  propagatedBuildInputs = [ astring cstruct fmt hex jsonm logs ocaml_lwt ocamlgraph uri ];
+
+  doCheck = true;
+
+  meta = with lib; {
+    homepage = https://github.com/mirage/irmin;
+    description = "Irmin, a distributed database that follows the same design principles as Git";
+    license = licenses.isc;
+    maintainers = [ maintainers.alexfmpe ];
+  };
+}
diff --git a/pkgs/top-level/ocaml-packages.nix b/pkgs/top-level/ocaml-packages.nix
index 475119e37f0d..4f884e91e264 100644
--- a/pkgs/top-level/ocaml-packages.nix
+++ b/pkgs/top-level/ocaml-packages.nix
@@ -336,6 +336,8 @@ let
       then callPackage ../development/ocaml-modules/ipaddr { }
       else ipaddr_p4;
 
+    irmin_1 = callPackage ../development/ocaml-modules/irmin/1.4.nix { };
+
     iso8601 = callPackage ../development/ocaml-modules/iso8601 { };
 
     iter = callPackage ../development/ocaml-modules/iter { };