diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 4a980eba..6d87f690 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -6,14 +6,14 @@ repos:
       - id: end-of-file-fixer
       - id: check-toml
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.15.14
+    rev: v0.16.5
     hooks:
       # Run the linter.
       - id: ruff
       # Run the formatter.
       - id: ruff-format
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.20.2
+    rev: v2.3.1
     hooks:
       - id: mypy
         files: ^(src/cloudevents/|tests/)
diff --git a/MIGRATION.md b/MIGRATION.md
index e161931c..d68689a1 100644
--- a/MIGRATION.md
+++ b/MIGRATION.md
@@ -292,28 +292,28 @@ class YAMLFormat:
     """Example custom format -- implement the Format protocol."""
 
     def read(
-            self,
-            event_factory: EventFactory | None,
-            data: str | bytes,
-    ) -> BaseCloudEvent:
-        ...  # Parse YAML into attributes dict, call event_factory(attributes, data)
+        self,
+        event_factory: EventFactory | None,
+        data: str | bytes,
+    ) -> (
+        BaseCloudEvent
+    ): ...  # Parse YAML into attributes dict, call event_factory(attributes, data)
 
-    def write(self, event: BaseCloudEvent) -> bytes:
-        ...  # Serialize entire event to YAML bytes
+    def write(
+        self, event: BaseCloudEvent
+    ) -> bytes: ...  # Serialize entire event to YAML bytes
 
     def write_data(
-            self,
-            data: dict | str | bytes | None,
-            datacontenttype: str | None,
-    ) -> bytes:
-        ...  # Serialize just the data payload
+        self,
+        data: dict | str | bytes | None,
+        datacontenttype: str | None,
+    ) -> bytes: ...  # Serialize just the data payload
 
     def read_data(
-            self,
-            body: bytes,
-            datacontenttype: str | None,
-    ) -> dict | str | bytes | None:
-        ...  # Deserialize just the data payload
+        self,
+        body: bytes,
+        datacontenttype: str | None,
+    ) -> dict | str | bytes | None: ...  # Deserialize just the data payload
 
     def get_content_type(self) -> str:
         return "application/cloudevents+yaml"
diff --git a/README.md b/README.md
index 4787c58c..bf105150 100644
--- a/README.md
+++ b/README.md
@@ -40,8 +40,8 @@ import requests
 # Create a CloudEvent
 # - The CloudEvent "id" is generated if omitted. "specversion" defaults to "1.0".
 attributes = {
-  "type": "com.example.sampletype1",
-  "source": "https://example.com/event-producer",
+    "type": "com.example.sampletype1",
+    "source": "https://example.com/event-producer",
 }
 data = {"message": "Hello World!"}
 event = CloudEvent(attributes, data)
@@ -63,8 +63,8 @@ import requests
 # Create a CloudEvent
 # - The CloudEvent "id" is generated if omitted. "specversion" defaults to "1.0".
 attributes = {
-  "type": "com.example.sampletype2",
-  "source": "https://example.com/event-producer",
+    "type": "com.example.sampletype2",
+    "source": "https://example.com/event-producer",
 }
 data = {"message": "Hello World!"}
 event = CloudEvent(attributes, data)
@@ -95,20 +95,20 @@ app = Flask(__name__)
 # create an endpoint at http://localhost:/3000/
 @app.route("/", methods=["POST"])
 def home():
-  # create a CloudEvent
-  event = from_http_event(HTTPMessage(dict(request.headers), request.get_data()))
+    # create a CloudEvent
+    event = from_http_event(HTTPMessage(dict(request.headers), request.get_data()))
 
-  # you can access cloudevent fields as seen below
-  print(
-    f"Found {event.get_id()} from {event.get_source()} with type "
-    f"{event.get_type()} and specversion {event.get_specversion()}"
-  )
+    # you can access cloudevent fields as seen below
+    print(
+        f"Found {event.get_id()} from {event.get_source()} with type "
+        f"{event.get_type()} and specversion {event.get_specversion()}"
+    )
 
-  return "", 204
+    return "", 204
 
 
 if __name__ == "__main__":
-  app.run(port=3000)
+    app.run(port=3000)
 ```
 
 You can find a complete example of turning a CloudEvent into a HTTP request