diff --git a/pkgs/development/python-modules/flit-core/default.nix b/pkgs/development/python-modules/flit-core/default.nix
new file mode 100644
index 000000000000..f6afce0b9f28
--- /dev/null
+++ b/pkgs/development/python-modules/flit-core/default.nix
@@ -0,0 +1,36 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, flit
+, isPy3k
+, pytoml
+}:
+
+buildPythonPackage rec {
+  pname = "flit-core";
+  version = "2.3.0";
+  disabled = !isPy3k;
+
+  format = "pyproject";
+
+  src = fetchPypi {
+    inherit version;
+    pname = "flit_core";
+    hash = "sha256:a50bcd8bf5785e3a7d95434244f30ba693e794c5204ac1ee908fc07c4acdbf80";
+  };
+
+  propagatedBuildInputs = [
+    pytoml
+  ];
+
+  passthru.tests = {
+    inherit flit;
+  };
+
+  meta = {
+    description = "Distribution-building parts of Flit. See flit package for more information";
+    homepage = "https://github.com/takluyver/flit";
+    license = lib.licenses.bsd3;
+    maintainers = [ lib.maintainers.fridh ];
+  };
+}
\ No newline at end of file
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index c356700167eb..56758a6ea535 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2811,6 +2811,8 @@ in {
 
   flit = callPackage ../development/python-modules/flit { };
 
+  flit-core = callPackage ../development/python-modules/flit-core { };
+
   flowlogs_reader = callPackage ../development/python-modules/flowlogs_reader { };
 
   fluent-logger = callPackage ../development/python-modules/fluent-logger {};