diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 7928b6d2ab5..cbff5670550 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -3467,6 +3467,12 @@
     githubId = 896431;
     name = "Chris Hodapp";
   };
+  hongchangwu = {
+    email = "wuhc85@gmail.com";
+    github = "hongchangwu";
+    githubId = 362833;
+    name = "Hongchang Wu";
+  };
   hrdinka = {
     email = "c.nix@hrdinka.at";
     github = "hrdinka";
diff --git a/pkgs/development/tools/ocaml/merlin/dot-merlin-reader.nix b/pkgs/development/tools/ocaml/merlin/dot-merlin-reader.nix
new file mode 100644
index 00000000000..7af1b4513a8
--- /dev/null
+++ b/pkgs/development/tools/ocaml/merlin/dot-merlin-reader.nix
@@ -0,0 +1,24 @@
+{ lib, fetchurl, ocamlPackages }:
+
+with ocamlPackages;
+
+buildDunePackage rec {
+  pname = "dot-merlin-reader";
+  version = "3.4.0";
+
+  minimumOCamlVersion = "4.02.1";
+
+  src = fetchurl {
+    url = "https://github.com/ocaml/merlin/releases/download/v${version}/merlin-v${version}.tbz";
+    sha256 = "048rkpbvayksv8mgmkgi17vv0y9xplv7v2ww4d1hs7bkm5zzsvg2";
+  };
+
+  buildInputs = [ yojson csexp result ];
+
+  meta = with lib; {
+    description = "Reads config files for merlin";
+    homepage = "https://github.com/ocaml/merlin";
+    license = licenses.mit;
+    maintainers = [ maintainers.hongchangwu ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index e0db5bc2a53..a56aeb9efd7 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1846,6 +1846,8 @@ in
 
   dosage = callPackage ../applications/graphics/dosage { };
 
+  dot-merlin-reader = callPackage ../development/tools/ocaml/merlin/dot-merlin-reader.nix { };
+
   dozenal = callPackage ../applications/misc/dozenal { };
 
   dpic = callPackage ../tools/graphics/dpic { };