diff --git a/pyproject.toml b/pyproject.toml
index 5d30c8ad..f2078f24 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,5 +2,5 @@
 requires = [
     "setuptools>=58.0.0",
     "wheel",
-    "Cython~=3.1.2",
+    "Cython~=3.2.4",
 ]