diff --git a/pyproject.toml b/pyproject.toml
index 54b9761..1546eda 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ build-backend = "pdm.backend"
 
 [dependency-groups]
 lint = [
-    "ruff==0.15.16",
+    "ruff==0.15.20",
 ]
 pytest = [
     "pytest-cov==7.1.0",