diff --git a/.github/workflows/pythonapp.yml b/.github/workflows/pythonapp.yml
index e8c6ae3..32daef6 100644
--- a/.github/workflows/pythonapp.yml
+++ b/.github/workflows/pythonapp.yml
@@ -17,7 +17,7 @@ jobs:
     name: python test
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
     - uses: actions/checkout@v2
diff --git a/dev-requirements.txt b/dev-requirements.txt
index 2f0d7fb..019520d 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,7 +1,7 @@
-mypy==1.6.0
-black==22.3.0
-isort==5.10.1
-flake8==6.1.0
-coverage==6.3.2
-pytest==7.1.2
-pytest-asyncio==0.18.3
+mypy==1.14.1
+black==24.10.0
+isort==5.13.2
+flake8==7.1.1
+coverage==7.6.10
+pytest==8.3.4
+pytest-asyncio==0.25.2
diff --git a/enochecker3/chaindb.py b/enochecker3/chaindb.py
index c51d1a7..7f70d19 100644
--- a/enochecker3/chaindb.py
+++ b/enochecker3/chaindb.py
@@ -14,7 +14,7 @@ async def get(self, key: str) -> Any:
                 "task_chain_id": self.task_chain_id,
                 "key": key,
             }
-        )  # type: ignore
+        )
         if val is None:
             raise KeyError(f"Key {key} not found")
         return val["value"]
diff --git a/enochecker3/enochecker.py b/enochecker3/enochecker.py
index 80e7d3f..80737e6 100644
--- a/enochecker3/enochecker.py
+++ b/enochecker3/enochecker.py
@@ -553,7 +553,7 @@ async def checker(task: CheckerTaskMessage) -> CheckerResultMessage:
                         cast(ExploitCheckerTaskMessage, _task)
                     )
                 else:
-                    return CheckerResultMessage(
+                    return CheckerResultMessage(  # type: ignore
                         result=CheckerTaskResult.INTERNAL_ERROR,
                         message=f"Unsupported method: {task.method}",
                     )
diff --git a/enochecker3/logging.py b/enochecker3/logging.py
index 5f35ad4..6463595 100644
--- a/enochecker3/logging.py
+++ b/enochecker3/logging.py
@@ -16,7 +16,9 @@ def format(self, record: logging.LogRecord) -> str:
             record, "checker_task", None
         )
 
-        timestamp: str = datetime.datetime.utcnow().strftime("%H:%M:%S.%f")[:-3]
+        timestamp: str = datetime.datetime.now(datetime.UTC).strftime("%H:%M:%S.%f")[
+            :-3
+        ]
         method: str = getattr(checker_task, "method", None) or "<method>"
         levelname: str = getattr(record, "levelname", None) or "<level>"
         task_id: str = getattr(checker_task, "task_id", None) or "<taskid>"
@@ -67,7 +69,9 @@ def create_message(self, record: logging.LogRecord) -> EnoLogMessage:
             type="infrastructure",
             severity=record.levelname,
             severity_level=self.to_level(record.levelname),
-            timestamp=datetime.datetime.utcnow().strftime("%Y-%m-%dT%H:%M:%S.%fZ"),
+            timestamp=datetime.datetime.now(datetime.UTC).strftime(
+                "%Y-%m-%dT%H:%M:%S.%fZ"
+            ),
             message=record.msg,
             module=record.module,
             function=record.funcName,
diff --git a/requirements.txt b/requirements.txt
index 7c54154..5104248 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
-httpx>=0.23.0,<0.24.0
-motor>=3.1.2,<4.0.0
-fastapi>=0.75.2,<0.76.0
-uvicorn>=0.17.6,<0.18.0
+httpx>=0.28.0,<0.29.0
+motor>=3.6.1,<4.0.0
+fastapi>=0.115.6,<0.116.0
+uvicorn>=0.34.0,<0.35.0
 gunicorn==20.1.0
diff --git a/setup.py b/setup.py
index e341766..af08473 100755
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
 
 setuptools.setup(
     name="enochecker3",
-    version="0.8.1",
+    version="0.9.0",
     author="ldruschk",
     author_email="ldruschk@posteo.de",
     description="FastAPI based library for building async python checkers for the EnoEngine A/D CTF Framework",
@@ -31,12 +31,12 @@
         "License :: OSI Approved :: MIT License",
         # Specify the Python versions you support here. In particular, ensure
         # that you indicate whether you support Python 2, Python 3 or both.
-        "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
     ],
     zip_safe=False,  # This might be needed for requirements.txt
-    python_requires=">=3.8",
+    python_requires=">=3.9",
 )