diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 7cf8387..9ad055f 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -4,11 +4,11 @@ on: [push]
 
 jobs:
   build:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-22.04
     strategy:
       max-parallel: 3
       matrix:
-        python-version: [2.7, 3.5, 3.6]
+        python-version: [3.7, 3.8, 3.9, 3.10]
 
     steps:
       - name: Install requirements
diff --git a/authappliance/menu.py b/authappliance/menu.py
index c83dd03..ccb74bb 100644
--- a/authappliance/menu.py
+++ b/authappliance/menu.py
@@ -17,7 +17,6 @@
 """
 text dialog based setup tool to configure the privacyIDEA basics.
 """
-from __future__ import print_function
 import locale
 import argparse
 import sys
@@ -68,7 +67,6 @@
 from paramiko import SSHException, AutoAddPolicy
 from subprocess import Popen, PIPE
 import random
-import os
 from tempfile import NamedTemporaryFile
 
 from authappliance.lib.extdialog import ExtDialog
diff --git a/requirements.txt b/requirements.txt
index b5be26e..25ed890 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,14 +1,12 @@
-bcrypt==3.1.7
-cffi==1.15.0
-configobj==5.0.6
-cryptography==3.3.2
-enum34==1.1.6; python_version < '3.0'
-ipaddress==1.0.23; python_version < '3.0'
-netaddr==0.7.19
-paramiko==2.7.1
-pycparser==2.19
-PyNaCl==1.3.0
-pyparsing==2.4.6
-pythondialog==3.5.1; python_version >= '3.0'
-python2-pythondialog==3.5.1; python_version < '3.0'
-six==1.13.0
+bcrypt==4.1.1
+cffi==1.15.1; python_version == '3.7'
+cffi==1.16.0; python_version > '3.7'
+configobj==5.0.8
+cryptography==41.0.7
+netaddr==0.9.0
+paramiko==3.3.1
+pycparser==2.21
+PyNaCl==1.5.0
+pyparsing==3.1.1
+pythondialog==3.5.3
+six==1.16.0
diff --git a/setup.py b/setup.py
index 5a8d074..0e63eee 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 from __future__ import print_function
 
-VERSION = "3.3"
+VERSION = "3.3.1"
 from setuptools import setup, find_packages
 import os
 import sys
diff --git a/test/requirements.txt b/test/requirements.txt
index 1041592..dea18d0 100644
--- a/test/requirements.txt
+++ b/test/requirements.txt
@@ -1,19 +1,13 @@
 -r ../requirements.txt
-atomicwrites==1.3.0; python_version < '3.0'
-attrs==19.3.0
-configparser==4.0.2; python_version < '3.0'
-contextlib2==0.6.0.post1; python_version < '3.0'
+exceptiongroup==1.2.0
 funcsigs==1.0.2
-importlib-metadata==1.3.0
-mock==3.0.5
-more-itertools==5.0.0; python_version < '3.0'
-more-itertools==8.0.2; python_version >= '3.0'
-packaging==20.0
-pathlib2==2.3.5; python_version < '3.0'
-pluggy==0.13.1
-py==1.10.0
-pytest==4.6.9; python_version < '3.0'
-pytest==5.3.2; python_version >= '3.0'
-scandir==1.10.0; python_version < '3.0'
-wcwidth==0.1.8
-zipp==0.6.0
+importlib-metadata==6.7.0; python_version == '3.7'
+iniconfig==2.0.0
+mock==5.1.0
+packaging==23.2
+pluggy==1.2.0; python_version == '3.7'
+pluggy==1.3.0; python_version > '3.7'
+pytest==7.4.3
+tomli==2.0.1
+typing-extensions==4.7.1; python_version == '3.7'
+zipp==3.15.0; python_version == '3.7'
diff --git a/tox.ini b/tox.ini
index 37a8442..b7e94d1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,22 +1,20 @@
 [tox]
-envlist = py27,py35,py36,py37
+envlist = py37, py38, py39, py310
 
 [gh-actions]
 python =
-    2.7: py27
-    3.5: py35
-    3.6: py36
     3.7: py37
+    3.8: py38
+    3.9: py39
+    3.10: py310
 
 [testenv]
 # install pytest in the virtualenv where commands will be executed
 deps =
-    -Urtest/requirements.txt
+    -r test/requirements.txt
     pytest-cov
     # should we add privacyidea to test/requirements.txt?
     privacyidea
-    # currently this package is missing in privacyIDEAs setup.py
-    flask-versioned
 commands =
     # NOTE: you can run any command line tool here - not just tests
     python -b -m pytest --cov=authappliance test/