diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index abc45c38..f67cfa10 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
       - uses: actions/checkout@v5
       - uses: actions/setup-python@v6
         with:
-          python-version: "3.11"
+          python-version: "3.12"
       - uses: pre-commit/action@v3.0.1
 
   test:
@@ -35,7 +35,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version:
-          - "3.11"
+          - "3.12"
           - "3.14"
     runs-on: ubuntu-latest
     steps:
@@ -59,7 +59,7 @@ jobs:
       - name: Set up uv
         uses: astral-sh/setup-uv@v7
         with:
-          python-version: "3.11"
+          python-version: "3.12"
           activate-environment: true
       - name: Build package
         run: uv build
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 18b2b295..3f211c51 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -34,7 +34,7 @@ repos:
                 args:
                     - --fix
     -   repo: https://github.com/pre-commit/mirrors-mypy
-        rev: v1.7.1
+        rev: v1.18.2
         hooks:
             -   id: mypy
                 exclude: cli.py
diff --git a/mypy.ini b/mypy.ini
index f6f59369..82649610 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -1,4 +1,5 @@
 [mypy]
+python_version = 3.12
 check_untyped_defs = True
 
 [mypy-construct]
diff --git a/pyproject.toml b/pyproject.toml
index 9711187c..12b77bcd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ name = "python-roborock"
 version = "3.3.2"
 description = "A package to control Roborock vacuums."
 authors = [{ name = "humbertogontijo", email = "humbertogontijo@users.noreply.github.com" }, {name="Lash-L"}, {name="allenporter"}]
-requires-python = ">=3.11, <4"
+requires-python = ">=3.12, <4"
 readme = "README.md"
 license = "GPL-3.0-only"
 keywords = [
diff --git a/roborock/cloud_api.py b/roborock/cloud_api.py
index ad184c24..f85aafe1 100644
--- a/roborock/cloud_api.py
+++ b/roborock/cloud_api.py
@@ -118,7 +118,7 @@ def _mqtt_on_message(self, *args, **kwargs):
         client, __, msg = args
         try:
             messages = self._decoder(msg.payload)
-            super().on_message_received(messages)
+            self.on_message_received(messages)
         except Exception as ex:
             self._logger.exception(ex)
 
diff --git a/roborock/data/containers.py b/roborock/data/containers.py
index 8852b849..d2faac70 100644
--- a/roborock/data/containers.py
+++ b/roborock/data/containers.py
@@ -77,7 +77,7 @@ def from_dict(cls, data: dict[str, Any]):
         """Create an instance of the class from a dictionary."""
         if not isinstance(data, dict):
             return None
-        field_types = {field.name: field.type for field in dataclasses.fields(cls)}
+        field_types: dict[str, type] = {field.name: field.type for field in dataclasses.fields(cls)}
         result: dict[str, Any] = {}
         for orig_key, value in data.items():
             key = _decamelize(orig_key)
diff --git a/roborock/devices/traits/v1/__init__.py b/roborock/devices/traits/v1/__init__.py
index a5735511..af0278ed 100644
--- a/roborock/devices/traits/v1/__init__.py
+++ b/roborock/devices/traits/v1/__init__.py
@@ -32,7 +32,7 @@
 
 import logging
 from dataclasses import dataclass, field, fields
-from typing import Any, get_args
+from typing import Any, cast, get_args
 
 from roborock.data.containers import HomeData, HomeDataProduct, RoborockBase
 from roborock.data.v1.v1_code_mappings import RoborockDockTypeCode
@@ -152,7 +152,7 @@ def __init__(
                 if (union_args := get_args(item.type)) is None or len(union_args) > 0:
                     continue
                 _LOGGER.debug("Trait '%s' is supported, initializing", item.name)
-                trait = item.type()
+                trait = cast(type, item.type)()
                 setattr(self, item.name, trait)
             # This is a hack to allow setting the rpc_channel on all traits. This is
             # used so we can preserve the dataclass behavior when the values in the
diff --git a/roborock/protocol.py b/roborock/protocol.py
index 9d6cbca5..42d984e5 100644
--- a/roborock/protocol.py
+++ b/roborock/protocol.py
@@ -329,9 +329,10 @@ def _parse(self, stream, context, path):
         hash1 = self.checksumfield.parse_stream(stream, **context)
         hash2 = self.hashfunc(self.bytesfunc(context))
         if hash1 != hash2:
+            hash1_out = hash1 if not isinstance(hash1, bytestringtype) else binascii.hexlify(hash1)
+            hash2_out = hash2 if not isinstance(hash2, bytestringtype) else binascii.hexlify(hash2)
             raise ChecksumError(
-                f"wrong checksum, read {hash1 if not isinstance(hash1, bytestringtype) else binascii.hexlify(hash1)}, "
-                f"computed {hash2 if not isinstance(hash2, bytestringtype) else binascii.hexlify(hash2)}",
+                f"wrong checksum, read {hash1_out!r}, computed {hash2_out!r}",
                 path=path,
             )
         return hash1
diff --git a/uv.lock b/uv.lock
index 0c158aba..3f9087e4 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1,6 +1,6 @@
 version = 1
 revision = 3
-requires-python = ">=3.11, <4"
+requires-python = ">=3.12, <4"
 
 [[package]]
 name = "aiohappyeyeballs"