diff --git a/pyproject.toml b/pyproject.toml
index 4e42f744eb..c06952f383 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@
 requires = [
      "setuptools",
      "wheel",
-     "Cython"
+     "Cython>=0.29.31"
 ]
 
 build-backend = 'setuptools.build_meta'