diff --git a/pkgs/development/ocaml-modules/mirage-logs/default.nix b/pkgs/development/ocaml-modules/mirage-logs/default.nix
index be9592fb374b..ef842ec7318f 100644
--- a/pkgs/development/ocaml-modules/mirage-logs/default.nix
+++ b/pkgs/development/ocaml-modules/mirage-logs/default.nix
@@ -1,23 +1,23 @@
 { lib, fetchurl, buildDunePackage
-, logs, lwt, mirage-clock, ptime
-, alcotest
+, logs, fmt, ptime, mirage-clock, cmdliner
+, lwt, alcotest
 }:
 
 buildDunePackage rec {
   pname = "mirage-logs";
-  version = "1.3.0";
+  version = "2.1.0";
 
   duneVersion = "3";
 
   src = fetchurl {
     url = "https://github.com/mirage/mirage-logs/releases/download/v${version}/mirage-logs-${version}.tbz";
-    hash = "sha256-c1YQIutqp58TRz+a9Vd/69FCv0jnGRvFnei9BtSbOxA=";
+    hash = "sha256-rorCsgw7QCQmjotr465KShQGWdoUM88djpwgqwBGnLs=";
   };
 
-  propagatedBuildInputs = [ logs lwt mirage-clock ptime ];
+  propagatedBuildInputs = [ logs fmt ptime mirage-clock cmdliner ];
 
   doCheck = true;
-  checkInputs = [ alcotest ];
+  checkInputs = [ lwt alcotest ];
 
   meta = {
     description = "Reporter for the Logs library that writes log messages to stderr, using a Mirage `CLOCK` to add timestamps";