diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 449eecf..081f023 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -6,16 +6,6 @@ stages:
 before_script:
   - pip install tox
 
-python35:
-  image: python:3.5
-  stage: test
-  script: tox -e py35
-
-python36:
-  image: python:3.6
-  stage: test
-  script: tox -e py36
-
 python37:
   image: python:3.7
   stage: test
diff --git a/entrypoint.sh b/entrypoint.sh
index ed17c5f..add2188 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -5,9 +5,8 @@
 # Option "-i" will be only available in Django 3.0+, but it does not support Python 3.5
 #python manage.py compilemessages -i ".tox" -i "venv"
 python manage.py compilemessages
-python manage.py makemigrations
 
-# Wait for database
+# Wait for database (docker)
 sleep 2
 
 python manage.py migrate
@@ -16,16 +15,12 @@ python manage.py collectstatic --no-input
 # harakiri parameter respawns processes taking more than 20 seconds
 # max-requests parameter respawns processes after serving 5000 requests
 # vacuum parameter cleans up when stopped
-uwsgi --chdir="$(pwd)" \
-    --module=med.wsgi:application \
-    --env DJANGO_SETTINGS_MODULE=med.settings \
-    --master \
-    --pidfile="$(pwd)/uwsgi.pid" \
-    --socket="$(pwd)/uwsgi.sock" \
-    --processes=5 \
-    --chmod-socket=600 \
-    --harakiri=20 \
-    --max-requests=5000 \
-    --vacuum \
-    --daemonize="$(pwd)/uwsgi.log" \
-    --protocol=fastcgi
+uwsgi --socket "$(pwd)/uwsgi.sock" --chmod-socket=600 --master --plugins python3 \
+      --module med.wsgi:application --env DJANGO_SETTINGS_MODULE=med.settings \
+      --processes 4 --harakiri=20 --max-requests=5000 --vacuum \
+      --static-map /static="$(pwd)/static"
+
+#uwsgi --chdir="$(pwd)" \
+#    --pidfile="$(pwd)/uwsgi.pid" \
+#    --daemonize="$(pwd)/uwsgi.log" \
+#    --protocol=fastcgi
diff --git a/requirements.txt b/requirements.txt
index 73c63c8..b07f6e7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,14 +1,14 @@
-Django==2.2.10
-docutils==0.14
-Pillow==5.4.1
-pytz==2019.1
-six==1.12.0
-sqlparse==0.2.4
-django-cas-client==1.5.3
-django-reversion==3.0.3
-python-stdnum==1.10
-djangorestframework==3.9.2
-pyyaml==3.13
-coreapi==2.3.3
-psycopg2-binary
-uwsgi==2.0.18
+Django~=2.2.10
+docutils~=0.14
+Pillow~=5.4.1
+pytz~=2019.1
+six~=1.12.0
+sqlparse~=0.2.4
+django-cas-client~=1.2.0
+django-reversion~=3.0.3
+python-stdnum~=1.10
+djangorestframework~=3.9.0
+pyyaml~=3.13
+coreapi~=2.3.3
+uwsgi~=2.0.18
+mysqlclient~=1.4.0
diff --git a/tox.ini b/tox.ini
index ebc489d..9b89d99 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,38 +1,30 @@
 [tox]
-envlist = py35,py36,py37,py38,linters
+envlist = py37,py38,linters
 skipsdist = True
 
 [testenv]
-basepython = python3
+sitepackages = True
 deps =
     -r{toxinidir}/requirements.txt
     coverage
 commands =
-    ./manage.py makemigrations
-    coverage run ./manage.py test {posargs}
+    coverage run --omit='*migrations*' ./manage.py test {posargs}
     coverage report -m
 
-[testenv:pre-commit]
-deps = pre-commit
-commands =
-    pre-commit run --all-files --show-diff-on-failure
-
 [testenv:linters]
 deps =
-    -r{toxinidir}/requirements.txt
     flake8
     flake8-colors
+    flake8-django
     flake8-import-order
     flake8-typing-imports
     pep8-naming
     pyflakes
-    pylint
 commands =
     flake8 logs media users
-    pylint .
 
 [flake8]
-ignore = D203, W503, E203, I100, I201, I202, C901
+ignore = W503, I100, I101
 exclude =
     .tox,
     .git,
@@ -44,7 +36,7 @@ exclude =
     .cache,
     .eggs,
     *migrations*
-max-complexity = 10
+max-complexity = 15
 import-order-style = google
 application-import-names = flake8
 format = ${cyan}%(path)s${reset}:${yellow_bold}%(row)d${reset}:${green_bold}%(col)d${reset}: ${red_bold}%(code)s${reset} %(text)s