diff --git a/tsar-py/pyproject.toml b/tsar-py/pyproject.toml
index f92b278..4e1c9c1 100644
--- a/tsar-py/pyproject.toml
+++ b/tsar-py/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["maturin>=0.13,<0.14"]
+requires = ["maturin>=0.13,<1.8"]
 build-backend = "maturin"
 
 [project]