diff --git a/pyproject.toml b/pyproject.toml
index f05e406..12b867a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools", "wheel", "Cython>=3.0"]
+requires = ["setuptools", "wheel", "Cython>=3.2.4"]
 build-backend = "setuptools.build_meta"
 
 [tool.cibuildwheel]
diff --git a/requirements.txt b/requirements.txt
index ff0375a..cd4eb7b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1 @@
-Cython>=3.0
+Cython>=3.2.4