diff --git a/pyproject.toml b/pyproject.toml
index f890cb0..dd61075 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["cython>=0.29.32", "setuptools>=58.0", "wheel"]
+requires = ["cython>=3.0.11", "setuptools>=58.0", "wheel"]
 build-backend = "setuptools.build_meta"
 
 [tool.cibuildwheel]
diff --git a/test-requirements.txt b/test-requirements.txt
index 0db84cc..3bd54cc 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,3 +1,3 @@
-Cython==0.29.32
+Cython==3.0.11
 pytest==7.2.0
 pytest-cov==4.0.0