diff --git a/pyproject.toml b/pyproject.toml
index 0a8114a..6c9aa28 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["maturin>=1,<2"]
+requires = ["maturin>=1,<1.7.6"]
 build-backend = "maturin"
 [tool.maturin]
 python-source = "python"