diff --git a/pkgs/development/ocaml-modules/git/default.nix b/pkgs/development/ocaml-modules/git/default.nix
index f1c4cccb51ad..1d0c10df503f 100644
--- a/pkgs/development/ocaml-modules/git/default.nix
+++ b/pkgs/development/ocaml-modules/git/default.nix
@@ -11,6 +11,7 @@ buildDunePackage rec {
   version = "3.10.1";
 
   minimalOCamlVersion = "4.08";
+  duneVersion = "3";
 
   src = fetchurl {
     url = "https://github.com/mirage/ocaml-git/releases/download/${version}/git-${version}.tbz";