diff --git a/pyproject.toml b/pyproject.toml
index 7ea84d0..4772806 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,7 @@ test = [
   "pytest==9.0.2",
   "pytest-asyncio==1.3.0",
   "pytest-cov==7.1.0",
-  "ruff==0.15.8",
+  "ruff==0.15.9",
 ]
 dev = [
   "ariadne-codegen[subscriptions]",