diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 527e21f3..5feb9852 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -10,18 +10,18 @@ jobs:
   tests:
     strategy:
       matrix:
-        python: ["3.5", "3.6", "3.8"]
-    runs-on: ubuntu-20.04
-    container: "python:${{matrix.python}}-slim-buster"
+        python: ["3.10"] #3.10
+    runs-on: ubuntu-22.04 #ubuntu:jammy-20231004
+    # container: "python:${{matrix.python}}-slim-buster"
     steps:
       - uses: actions/checkout@v3
 
       - name: Update apt-get sources
-        run: apt-get update
+        run: sudo apt-get update
 
       - name: Install PostgreSQL, PostGIS and GDAL
         run: >
-          apt-get install -y
+          sudo apt-get install -y
           gdal-bin
           python3-gdal
           postgis
@@ -32,14 +32,14 @@ jobs:
           build-essential
 
       - name: Start PostgreSQL server
-        run: /etc/init.d/postgresql start
+        run: sudo /etc/init.d/postgresql start
 
-      - name: Allow root to create PostgreSQL databases
-        run: su - postgres -c "createuser --createdb root"
+      - name: Allow runner to create PostgreSQL databases
+        run: sudo su - postgres -c "createuser --createdb runner"
 
       - name: Create PostGIS extension
         run: >
-          su - postgres
+          sudo su - postgres
           -c "psql template1 -c 'create extension postgis'"
 
       - name: Install Tox and tox-gh-actions
@@ -52,7 +52,7 @@ jobs:
         uses: codecov/codecov-action@v3
 
   test-dockerization:
-    runs-on: ubuntu-22.04
+    runs-on: ubuntu-22.04 #ubuntu:jammy-20231004
     steps:
       - uses: actions/checkout@v3
 
@@ -72,14 +72,14 @@ jobs:
     strategy:
       matrix:
         toxenv: [style, requirements, sanitizer]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04 #ubuntu:jammy-20231004
     steps:
       - uses: actions/checkout@v3
 
       - name: Setup Python
         uses: actions/setup-python@v3.1.2
         with:
-          python-version: "3.5"
+          python-version: "3.10" #3.10
 
       - name: Install GDAL
         run: sudo apt-get install -y gdal-bin
diff --git a/Dockerfile b/Dockerfile
index bd7ad5a7..96ed8ddd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,6 +7,7 @@ RUN touch /.dockerenv
 RUN apt-get update \
     && apt-get install --yes \
         git \
+        netcat \
         sudo \
         vim \
         zsh \
diff --git a/parkings/api/auth/drf_jwt_2fa_urls.py b/parkings/api/auth/drf_jwt_2fa_urls.py
index 2442bcb7..dcf84c04 100644
--- a/parkings/api/auth/drf_jwt_2fa_urls.py
+++ b/parkings/api/auth/drf_jwt_2fa_urls.py
@@ -1,5 +1,4 @@
 from django.urls import re_path
-
 from drf_jwt_2fa import views
 
 urlpatterns = [
@@ -7,4 +6,4 @@
     re_path('^auth/', views.obtain_auth_token, name='auth'),
     re_path('^refresh/', views.refresh_auth_token, name='refresh'),
     re_path('^verify/', views.verify_auth_token, name='verify'),
-]
\ No newline at end of file
+]
diff --git a/parkings/api/enforcement/valid_permit_item.py b/parkings/api/enforcement/valid_permit_item.py
index b658c3cb..94ee8ee9 100644
--- a/parkings/api/enforcement/valid_permit_item.py
+++ b/parkings/api/enforcement/valid_permit_item.py
@@ -42,7 +42,6 @@ def to_representation(self, instance):
         return representation
 
 
-
 class ValidPermitItemFilter(django_filters.rest_framework.FilterSet):
     reg_num = django_filters.CharFilter(
         label=_("Registration number"), method='filter_reg_num')
diff --git a/parkings/api/url_utils.py b/parkings/api/url_utils.py
index 8e21aaa2..cecfcf85 100644
--- a/parkings/api/url_utils.py
+++ b/parkings/api/url_utils.py
@@ -1,5 +1,6 @@
 from django.urls import include, re_path
 
+
 def versioned_url(version, include_urls, regexp=r'^'):
     return re_path(
         '{regexp}{version}/'.format(regexp=regexp, version=version),
diff --git a/parkings/models/parking_check.py b/parkings/models/parking_check.py
index 35887e3e..7d1cab8f 100644
--- a/parkings/models/parking_check.py
+++ b/parkings/models/parking_check.py
@@ -1,8 +1,8 @@
 from django.conf import settings
 from django.contrib.gis.db import models as gis_models
-from django.db.models import JSONField
 from django.core.serializers.json import DjangoJSONEncoder
 from django.db import models
+from django.db.models import JSONField
 from django.utils.translation import gettext_lazy as _
 
 from .constants import WGS84_SRID
diff --git a/parkings/models/permit.py b/parkings/models/permit.py
index c9caaf60..17618be6 100644
--- a/parkings/models/permit.py
+++ b/parkings/models/permit.py
@@ -2,9 +2,9 @@
 
 from django.conf import settings
 from django.contrib.gis.db import models as gis_models
-from django.contrib.postgres.fields import JSONField
 from django.core.serializers.json import DjangoJSONEncoder
 from django.db import connections, models, router, transaction
+from django.db.models import JSONField
 from django.db.models.expressions import RawSQL
 from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
diff --git a/parkings/tests/api/monitoring/test_valid_parking.py b/parkings/tests/api/monitoring/test_valid_parking.py
index 944b6bda..5bff92fd 100644
--- a/parkings/tests/api/monitoring/test_valid_parking.py
+++ b/parkings/tests/api/monitoring/test_valid_parking.py
@@ -52,7 +52,7 @@ def test_list_endpoint_data(monitoring_api_client, parking):
 
 def check_parking_feature_shape(parking_feature):
     assert set(parking_feature.keys()) == {
-        'id', 'type','time_start', 'time_end', 'geometry', 'properties'}
+        'id', 'type', 'time_start', 'time_end', 'geometry', 'properties'}
     assert parking_feature['type'] == 'Feature'
     assert set(parking_feature['geometry'].keys()) == {
         'type', 'coordinates'}
diff --git a/parkkihubi/settings.py b/parkkihubi/settings.py
index 91813f4d..006c6193 100644
--- a/parkkihubi/settings.py
+++ b/parkkihubi/settings.py
@@ -1,6 +1,9 @@
 import os
 from datetime import timedelta
 
+import django
+from django.utils.encoding import smart_str
+from django.utils.translation import gettext, gettext_lazy
 from environ import Env
 from raven import fetch_git_sha
 from raven.exceptions import InvalidGitRepository
@@ -8,12 +11,8 @@
 # Prevent warning regarding
 DEFAULT_AUTO_FIELD = 'django.db.models.AutoField'
 
-import django
-from django.utils.translation import gettext_lazy
 django.utils.translation.ugettext_lazy = gettext_lazy
-from django.utils.translation import gettext
 django.utils.translation.ugettext = gettext
-from django.utils.encoding import smart_str
 django.utils.encoding.smart_text = smart_str
 
 
diff --git a/parkkihubi/urls.py b/parkkihubi/urls.py
index 00509e3b..7deec2f8 100644
--- a/parkkihubi/urls.py
+++ b/parkkihubi/urls.py
@@ -1,6 +1,6 @@
 from django.conf import settings
-from django.urls import include, re_path
 from django.contrib import admin
+from django.urls import include, re_path
 
 from parkings.api.auth import urls as auth_urls
 from parkings.api.enforcement import urls as enforcement_urls
diff --git a/post-update b/post-update
index d0c63463..295f239d 100755
--- a/post-update
+++ b/post-update
@@ -26,8 +26,8 @@ fi
 
 # Update the backend
 pip install -r requirements-pip.txt
-pip install -r requirements-prequ.txt
-prequ sync requirements.txt
+# pip install -r requirements-prequ.txt
+# prequ sync requirements.txt
 
 ./manage.py collectstatic --noinput
 
diff --git a/requirements-test.txt b/requirements-test.txt
index a556aa11..ebd274b2 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -59,7 +59,7 @@ python-dateutil==2.8.2
     #   freezegun
 pyyaml==6.0.1
     # via -r requirements-test.in
-requests==2.24.0
+requests==2.25.1
     # via
     #   -c requirements-cov.txt
     #   requests-mock
diff --git a/requirements.txt b/requirements.txt
index c812a96e..0bc99602 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ django-environ==0.4.5
     # via -r requirements.in
 django-filter==2.3.0
     # via -r requirements.in
-django-sanitized-dump==1.2.1
+django-sanitized-dump==1.2.2
     # via -r requirements.in
 djangorestframework==3.14.0
     # via
@@ -52,7 +52,7 @@ pyproj==3.3.0
     # via
     #   -r requirements.in
     #   owslib
-python-dateutil==2.8.1
+python-dateutil==2.8.2
     # via owslib
 python-memcached==1.59
     # via -r requirements.in
@@ -61,7 +61,7 @@ pytz==2023.3.post1
     #   -r requirements.in
     #   django
     #   owslib
-pyyaml==5.3.1
+pyyaml==6.0.1
     # via
     #   database-sanitizer
     #   django-sanitized-dump
@@ -72,7 +72,7 @@ requests==2.25.1
     # via
     #   -r requirements.in
     #   owslib
-six==1.15.0
+six==1.16.0
     # via
     #   database-sanitizer
     #   django-sanitized-dump
diff --git a/run-pytest b/run-pytest
index f5938c62..9e26c03e 100755
--- a/run-pytest
+++ b/run-pytest
@@ -1,7 +1,7 @@
 #!/bin/bash
-# Run pytest locally or on docker-compose app service
+# Run pytest locally or on docker-compose runserver service
 #
-# When using docker-compose app service, the options passed by VSCodium
+# When using docker-compose runserver service, the options passed by VSCodium
 # will be handled specially to make its pytest integration smoother.
 #
 # To run pytest within docker, set USE_DOCKER environment variable to 1
@@ -16,6 +16,14 @@ fi
 
 if [[ "$USE_DOCKER" == "1" ]] || [[ "$USE_DOCKER" == "yes" ]]; then
     docker-compose up -d
+    # Check if the container is running
+    container_id=$(docker-compose ps -q)
+    if [[ -z "$container_id" ]]; then
+        echo "Error: Container failed to start."
+        exit 1
+    fi
+
+    echo "Container is running with ID: $container_id"
 else
     exec pytest "$@"
     exit $?
@@ -23,6 +31,7 @@ fi
 
 unset xml_file
 opts=()
+
 while [[ $# -gt 0 ]]; do
     opt="$1"
     shift
@@ -44,17 +53,23 @@ docker_compose_exec=("docker-compose" "exec")
 if ! tty -s; then
     docker_compose_exec+=("-T")  # If there is no TTY available, pass -T
 fi
-
+echo "here 0"
 # Wait until the database is ready
-"${docker_compose_exec[@]}" -e RUN_MIGRATIONS=0 app ./docker-entrypoint /bin/true
+"${docker_compose_exec[@]}" -e RUN_MIGRATIONS=0 runserver ./docker-entrypoint /bin/true
 
+echo "here 1"
 set +e
-"${docker_compose_exec[@]}" app pytest "${misc_opts[@]}" "${opts[@]}"
+output="$("${docker_compose_exec[@]}" runserver pytest "${misc_opts[@]}" "${opts[@]}" 2>&1)"
 exit_code=$?
 set -e
-
+echo "here 2"
 if [[ -n "$xml_file" ]]; then
-    "${docker_compose_exec[@]}" app cat /tmp/pytest_junit.xml > "$xml_file"
+    "${docker_compose_exec[@]}" runserver cat /tmp/pytest_junit.xml > "$xml_file"
+fi
+echo "here 3"
+
+if [ $exit_code -ne 0 ]; then
+    echo "$output"
 fi
 
 exit $exit_code
diff --git a/tox.ini b/tox.ini
index e409a6d6..1d2acaa3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{35,36,37,38},requirements,style
+envlist = py310,requirements,style
 skipsdist = True
 
 [testenv]
@@ -12,28 +12,26 @@ setenv =
     SECRET_KEY=topsecret123
 commands =
     pytest -ra -vvv --strict --doctest-modules \
+    --exitfirst \  # DEBUGGING ONLY
     {posargs:--cov=. --cov-report=term --cov-report=xml}
 
 [testenv:requirements]
-basepython = python3.5
+basepython = python3.10
 deps =
     -rrequirements-pip.txt
-    -rrequirements-prequ.txt
-commands = prequ {posargs:check -v}
+commands = pip {posargs:check}
 
 [testenv:style]
-basepython = python3.5
+basepython = python3.10
 deps = -rrequirements-style.txt
 commands = flake8 {posargs:--enable=T}
 
 [testenv:sanitizer]
-basepython = python3.5
+basepython = python3.10
 deps = -rrequirements.txt
-commands = ./manage.py check_sanitizerconfig
+commands = {base_python} manage.py check_sanitizerconfig
 
 [gh-actions]
 python =
-    3.5: py35
-    3.6: py36
-    3.8: py38
+    3.10: py310
 problem_matcher = False