diff --git a/pyproject.toml b/pyproject.toml
index c425bd0..ccd8873 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["maturin==0.18.3"]
+requires = ["maturin>=1.0,<2.0"]
 build-backend = "maturin"
 license = "GNU"
 license-file = "LICENSE.md"