diff --git a/pkgs/development/ocaml-modules/mirage-clock/default.nix b/pkgs/development/ocaml-modules/mirage-clock/default.nix
index 77d6b4ef7788..d0d8661dd7dd 100644
--- a/pkgs/development/ocaml-modules/mirage-clock/default.nix
+++ b/pkgs/development/ocaml-modules/mirage-clock/default.nix
@@ -4,6 +4,8 @@ buildDunePackage rec {
   pname = "mirage-clock";
   version = "3.1.0";
 
+  useDune2 = true;
+
   src = fetchurl {
     url = "https://github.com/mirage/mirage-clock/releases/download/v${version}/mirage-clock-v${version}.tbz";
     sha256 = "0cqa07aqkamw0dvis1fl46brvk81zvb92iy5076ik62gv9n5a0mn";
diff --git a/pkgs/development/ocaml-modules/mirage-clock/unix.nix b/pkgs/development/ocaml-modules/mirage-clock/unix.nix
index 5918d89221f2..355cffaaa157 100644
--- a/pkgs/development/ocaml-modules/mirage-clock/unix.nix
+++ b/pkgs/development/ocaml-modules/mirage-clock/unix.nix
@@ -1,9 +1,11 @@
-{ buildDunePackage, mirage-clock }:
+{ buildDunePackage, mirage-clock, dune-configurator }:
 
 buildDunePackage {
   pname = "mirage-clock-unix";
 
-  inherit (mirage-clock) version src;
+  inherit (mirage-clock) version useDune2 src;
+
+  buildInputs = [ dune-configurator ];
 
   propagatedBuildInputs = [ mirage-clock ];