diff --git a/pkgs/by-name/mc/mcdreforged/package.nix b/pkgs/by-name/mc/mcdreforged/package.nix
index 94dae99cedbb..86a03bdc1f96 100644
--- a/pkgs/by-name/mc/mcdreforged/package.nix
+++ b/pkgs/by-name/mc/mcdreforged/package.nix
@@ -9,6 +9,7 @@
 python3.pkgs.buildPythonApplication rec {
   pname = "mcdreforged";
   version = "2.12.3";
+  pyproject = true;
 
   src = fetchFromGitHub {
     owner = "Fallen-Breath";