diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 7a0fe379..a1a2f7b5 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -9,7 +9,7 @@ ci:
 
 repos:
   - repo: https://github.com/commitizen-tools/commitizen
-    rev: v4.11.2
+    rev: v4.13.7
     hooks:
       - id: commitizen
         stages: [commit-msg]
@@ -38,7 +38,7 @@ repos:
       - id: pyupgrade
         args: [--py39-plus]
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.14.11
+    rev: v0.15.0
     hooks:
       - id: ruff
         args: [--fix]
diff --git a/examples/mockdevice.py b/examples/mockdevice.py
index 2ff184bf..80be803c 100644
--- a/examples/mockdevice.py
+++ b/examples/mockdevice.py
@@ -103,7 +103,7 @@ def connection_made(self, transport: asyncio.Transport) -> None:
         self.peername = transport.get_extra_info("peername")
         self.transport = transport
 
-    def send(self, data: bytes, random_byte: Optional[None]) -> None:
+    def send(self, data: bytes, random_byte: None) -> None:
         """Trigger on data."""
         if random_byte is not None:
             msg = self.construct_wrapped_message(data, random_byte)