diff --git a/python/pyproject.toml b/python/pyproject.toml
index 548b3531..4e7713f7 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -1,3 +1,3 @@
 [build-system]
-requires = ["maturin"]
+requires = ["maturin>=0.9,<0.10"]
 build-backend = "maturin"
\ No newline at end of file