diff --git a/pyproject.toml b/pyproject.toml
index 345c814..c8006a4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -55,7 +55,7 @@ Issues = "https://github.com/LearningHouseService/pvlearn/issues"
 [project.optional-dependencies]
 dev = [
     "setuptools-scm[toml]==10.2.1",
-    "ruff==0.16.2",
+    "ruff==0.16.4",
     "tomli==2.4.1",
     "pyright==1.1.411",
     "pytest==9.1.1",