diff --git a/pkgs/development/ocaml-modules/mirage/default.nix b/pkgs/development/ocaml-modules/mirage/default.nix
index 410475b6b5c0..98d96cf146f0 100644
--- a/pkgs/development/ocaml-modules/mirage/default.nix
+++ b/pkgs/development/ocaml-modules/mirage/default.nix
@@ -8,6 +8,7 @@ buildDunePackage rec {
   inherit (mirage-runtime) version src;
 
   minimalOCamlVersion = "4.08";
+  duneVersion = "3";
 
   outputs = [ "out" "dev" ];