diff --git a/pkgs/development/python-modules/Cython/default.nix b/pkgs/development/python-modules/cython/default.nix
similarity index 98%
rename from pkgs/development/python-modules/Cython/default.nix
rename to pkgs/development/python-modules/cython/default.nix
index c2bb5811336d..72ba4a68f038 100644
--- a/pkgs/development/python-modules/Cython/default.nix
+++ b/pkgs/development/python-modules/cython/default.nix
@@ -3,6 +3,7 @@
 , buildPythonPackage
 , fetchPypi
 , fetchpatch
+, setuptools
 , python
 , pkg-config
 , gdb
@@ -25,6 +26,7 @@ let
 in buildPythonPackage rec {
   pname = "cython";
   version = "0.29.36";
+  pyproject = true;
 
   src = fetchPypi {
     pname = "Cython";
@@ -34,6 +36,7 @@ in buildPythonPackage rec {
 
   nativeBuildInputs = [
     pkg-config
+    setuptools
   ];
 
   nativeCheckInputs = [
diff --git a/pkgs/development/python-modules/Cython/setup-hook.sh b/pkgs/development/python-modules/cython/setup-hook.sh
similarity index 100%
rename from pkgs/development/python-modules/Cython/setup-hook.sh
rename to pkgs/development/python-modules/cython/setup-hook.sh
diff --git a/pkgs/development/python-modules/Cython/trashcan.patch b/pkgs/development/python-modules/cython/trashcan.patch
similarity index 100%
rename from pkgs/development/python-modules/Cython/trashcan.patch
rename to pkgs/development/python-modules/cython/trashcan.patch
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 91c4baa5811c..c9ba7e24bfd9 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2533,7 +2533,7 @@ self: super: with self; {
 
   cysignals = callPackage ../development/python-modules/cysignals { };
 
-  cython = callPackage ../development/python-modules/Cython { };
+  cython = callPackage ../development/python-modules/cython { };
 
   cython_3 = self.cython.overridePythonAttrs (old: rec {
     version = "3.0.3";