diff --git a/pyproject.toml b/pyproject.toml
index 9e254eef..30c23375 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ issues = "https://github.com/tianocore/edk2-pytool-extensions/issues"
 [project.optional-dependencies]
 dev = [
     "edk2-pytool-extensions[openssl]",
-    "ruff == 0.4.10",
+    "ruff == 0.5.1",
     "pytest == 8.2.2",
     "coverage == 7.5.4",
     "robotframework == 7.0.1",