diff --git a/pkgs/development/ocaml-modules/wayland/default.nix b/pkgs/development/ocaml-modules/wayland/default.nix
index f7ade2ec8070..9dea4a64a508 100644
--- a/pkgs/development/ocaml-modules/wayland/default.nix
+++ b/pkgs/development/ocaml-modules/wayland/default.nix
@@ -15,6 +15,7 @@ buildDunePackage rec {
   version = "1.1";
 
   minimalOCamlVersion = "4.08";
+  duneVersion = "3";
 
   src = fetchurl {
     url = "https://github.com/talex5/ocaml-wayland/releases/download/v${version}/wayland-${version}.tbz";
diff --git a/pkgs/tools/wayland/wayland-proxy-virtwl/default.nix b/pkgs/tools/wayland/wayland-proxy-virtwl/default.nix
index 47b59353af86..164605b3d8a2 100644
--- a/pkgs/tools/wayland/wayland-proxy-virtwl/default.nix
+++ b/pkgs/tools/wayland/wayland-proxy-virtwl/default.nix
@@ -22,8 +22,8 @@ ocamlPackages.buildDunePackage rec {
   '';
 
   minimalOCamlVersion = "4.12";
+  duneVersion = "3";
 
-  strictDeps = true;
   nativeBuildInputs = [
     pkg-config
   ];