diff --git a/pyproject.toml b/pyproject.toml
index 6c61b6dda..c9d5c8461 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [build-system]
 requires = [
-    "maturin>=1,<1.8.0",
+    "maturin>=1,<1.9.0",
     "cffi",
 ]
 build-backend = 'maturin'