diff --git a/pkgs/development/ocaml-modules/atd/default.nix b/pkgs/development/ocaml-modules/atd/default.nix
index 61dd0f1084c1..16944c7b38bc 100644
--- a/pkgs/development/ocaml-modules/atd/default.nix
+++ b/pkgs/development/ocaml-modules/atd/default.nix
@@ -1,4 +1,4 @@
-{ lib, atdgen-codec-runtime, menhir, easy-format, buildDunePackage, re, yojson, nixosTests }:
+{ lib, atdgen-codec-runtime, cmdliner, menhir, easy-format, buildDunePackage, re, yojson, nixosTests }:
 
 buildDunePackage rec {
   pname = "atd";
@@ -7,10 +7,9 @@ buildDunePackage rec {
   minimalOCamlVersion = "4.08";
 
   nativeBuildInputs = [ menhir ];
+  buildInputs = [ cmdliner ];
   propagatedBuildInputs = [ easy-format re yojson ];
 
-  strictDeps = true;
-
   passthru.tests = {
     smoke-test = nixosTests.atd;
   };
diff --git a/pkgs/development/ocaml-modules/atdgen/codec-runtime.nix b/pkgs/development/ocaml-modules/atdgen/codec-runtime.nix
index ab1e82df1e99..d2a875080eab 100644
--- a/pkgs/development/ocaml-modules/atdgen/codec-runtime.nix
+++ b/pkgs/development/ocaml-modules/atdgen/codec-runtime.nix
@@ -2,13 +2,11 @@
 
 buildDunePackage rec {
   pname = "atdgen-codec-runtime";
-  version = "2.11.0";
-
-  duneVersion = "3";
+  version = "2.15.0";
 
   src = fetchurl {
-    url = "https://github.com/ahrefs/atd/releases/download/${version}/atdts-${version}.tbz";
-    hash = "sha256-TTTuSxNKydPmTmztUapLoxntBIrAo8aWYIJ/G5cok1Y=";
+    url = "https://github.com/ahrefs/atd/releases/download/${version}/atd-${version}.tbz";
+    hash = "sha256-ukJ5vtVNE9zz9nA6SzF0TbgV3yLAUC2ZZdbGdM4IOTM=";
   };
 
   meta = {