diff --git a/pyproject.toml b/pyproject.toml
index d64d78f7..5a5bdeb5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -76,7 +76,7 @@ dev = [
     'watchdog>=1.0.1,<5',
 
     # style check
-    'ruff>=0.3.2,<0.7.2',
+    'ruff>=0.3.2,<1',
 
     # distribute on PyPI
     'twine>=1.10.0,<6',