diff --git a/_custom_build/backend.py b/_custom_build/backend.py
index 08c3c06..43b0b22 100644
--- a/_custom_build/backend.py
+++ b/_custom_build/backend.py
@@ -36,7 +36,7 @@ def _ninja_required():
return True
-def get_requires_for_build_wheel(self, config_settings=None):
+def get_requires_for_build_wheel(config_settings=None):
packages = []
if _cmake_required():
packages.append('cmake')
diff --git a/pyproject.toml b/pyproject.toml
index 88df1c3..8ff41bb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,7 +2,7 @@
requires = [
"setuptools",
"scikit-build>=0.13.0",
- "Cython>=3.0.0a11"
+ "Cython>=0.29.26"
]
build-backend = "backend"
backend-path = ["_custom_build"]