diff --git a/pkgs/development/tools/ocaml/crunch/default.nix b/pkgs/development/tools/ocaml/crunch/default.nix
index e48707dcb9a..07082b7f5d2 100644
--- a/pkgs/development/tools/ocaml/crunch/default.nix
+++ b/pkgs/development/tools/ocaml/crunch/default.nix
@@ -1,10 +1,12 @@
-{ lib, buildDunePackage, fetchurl, ocaml, cmdliner, opaline, ptime }:
+{ lib, buildDunePackage, fetchurl, ocaml, cmdliner, ptime }:
 
 buildDunePackage rec {
 
   pname = "crunch";
   version = "3.1.0";
 
+  useDune2 = true;
+
   src = fetchurl {
     url = "https://github.com/mirage/ocaml-crunch/releases/download/v${version}/crunch-v${version}.tbz";
     sha256 = "0d26715a4h9r1wibnc12xy690m1kan7hrcgbb5qk8x78zsr67lnf";
@@ -15,7 +17,7 @@ buildDunePackage rec {
   outputs = [ "lib" "bin" "out" ];
 
   installPhase = ''
-    ${opaline}/bin/opaline -prefix $bin -libdir $lib/lib/ocaml/${ocaml.version}/site-lib/
+    dune install --prefix=$bin --libdir=$lib/lib/ocaml/${ocaml.version}/site-lib/
   '';
 
   meta = {