Index: pyproject.toml
--- pyproject.toml.orig
+++ pyproject.toml
@@ -122,10 +122,9 @@ requires = [
     'wheel',
     'setuptools>=67',
     'packaging>=21',
-    'Cython>=3.0.4',
+    'Cython',
     'pythran',
-    'lazy_loader>=0.3',
-    'numpy>=2.0.0rc1',
+    'numpy',
 ]
 
 [tool.spin]
