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-rw-r--r--nixpkgs/pkgs/development/ocaml-modules/re/default.nix2
1 files changed, 2 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/ocaml-modules/re/default.nix b/nixpkgs/pkgs/development/ocaml-modules/re/default.nix
index ca3cf1e82675..4734d4a9bf52 100644
--- a/nixpkgs/pkgs/development/ocaml-modules/re/default.nix
+++ b/nixpkgs/pkgs/development/ocaml-modules/re/default.nix
@@ -6,6 +6,8 @@ buildDunePackage rec {
 
   minimumOCamlVersion = "4.02";
 
+  useDune2 = lib.versionAtLeast ocaml.version "4.08";
+
   src = fetchurl {
     url = "https://github.com/ocaml/ocaml-re/releases/download/${version}/re-${version}.tbz";
     sha256 = "1gas4ky49zgxph3870nffzkr6y41kkpqp4nj38pz1gh49zcf12aj";