diff --git a/pkgs/development/python-modules/flit/default.nix b/pkgs/development/python-modules/flit/default.nix
index ee062e539866..c63fd1edeaf9 100644
--- a/pkgs/development/python-modules/flit/default.nix
+++ b/pkgs/development/python-modules/flit/default.nix
@@ -23,6 +23,7 @@ buildPythonPackage rec {
   pname = "flit";
   version = "3.0.0";
   disabled = !isPy3k;
+  format = "pyproject";
 
   src = fetchFromGitHub {
     owner = "takluyver";
@@ -31,6 +32,10 @@ buildPythonPackage rec {
     sha256 = "zk6mozS3Q9U43PQe/DxgwwsBRJ6Qwb+rSUVGXHijD+g=";
   };
 
+  nativeBuildInputs = [
+    flit-core
+  ];
+
   # Use toml instead of pytoml
   # Resolves infinite recursion since packaging started using flit.
   patches = [