diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 0daf971..118c685 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -16,7 +16,7 @@ repos:
       - id: no-commit-to-branch
         args: [--branch, develop, --branch, main]
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: "v0.15.9"
+    rev: "v0.16.0"
     hooks:
       - id: ruff-check
         args: ["--fix"]
diff --git a/src/ruff_sync/constants.py b/src/ruff_sync/constants.py
index 872c073..99a58d8 100644
--- a/src/ruff_sync/constants.py
+++ b/src/ruff_sync/constants.py
@@ -129,7 +129,7 @@ def get_canonical(cls, key: str) -> str:
 
 def resolve_defaults(
     branch: str | MissingType,
-    path: str | None | MissingType,
+    path: str | MissingType | None,
     exclude: Iterable[str] | MissingType,
 ) -> tuple[str, str | None, Iterable[str]]:
     """Resolve MISSING sentinel values to their effective defaults.