diff --git a/pyproject.toml b/pyproject.toml
index 68f5676..2607b24 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ dev = [
   "pytest==8.3.4",
   "pytest-cov==6.0.0",
   "pytest-mock==3.14.0",
-  "ruff==0.8.6",
+  "ruff==0.9.0",
 ]
 
 build = [