diff --git a/pkgs/development/ocaml-modules/dune-private-libs/default.nix b/pkgs/development/ocaml-modules/dune-private-libs/default.nix
index 14059070c9a0..6161bd1fe8e8 100644
--- a/pkgs/development/ocaml-modules/dune-private-libs/default.nix
+++ b/pkgs/development/ocaml-modules/dune-private-libs/default.nix
@@ -7,6 +7,8 @@ buildDunePackage rec {
 
   inherit (dune_2) src version;
 
+  minimumOCamlVersion = "4.07";
+
   dontAddPrefix = true;
 
   meta = with lib; {