diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
index 266a98b..683b4be 100644
--- a/.github/workflows/pypi-publish.yml
+++ b/.github/workflows/pypi-publish.yml
@@ -15,7 +15,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install setuptools wheel
+          pip install setuptools wheel babel
       - name: Build package
         run: |
           python setup.py compile_catalog sdist bdist_wheel
@@ -23,4 +23,4 @@ jobs:
         uses: pypa/gh-action-pypi-publish@v1.3.1
         with:
           user: __token__
-          password: ${{ secrets.pypi_password }}
\ No newline at end of file
+          password: ${{ secrets.pypi_password }}
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 16586e9..1bfce6b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -1,3 +1,11 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2020-2022 Graz University of Technology.
+#
+# invenio-theme-tugraz is free software; you can redistribute it and/or
+# modify it under the terms of the MIT License; see LICENSE file for more
+# details.
+
 name: CI
 
 on:
@@ -20,42 +28,18 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-          python-version: [3.6, 3.7, 3.8, 3.9]
-          requirements-level: [min, pypi]
-          db-service: [postgresql12]
+          python-version: [3.8, 3.9]
+          requirements-level: [pypi]
+          db-service: [postgresql13]
           search-service: [elasticsearch7]
-          exclude:
-          - python-version: 3.6
-            requirements-level: pypi
-
-          - python-version: 3.7
-            requirements-level: min
-
-          - python-version: 3.8
-            requirements-level: min
-
-          - python-version: 3.9
-            requirements-level: min
-
-          - db-service: postgresql12
-            requirements-level: min
-
-          - search-service: elasticsearch7
-            requirements-level: min
-
           include:
-
-          - db-service: postgresql12
-            DB_EXTRAS: "postgresql"
-
-
           - search-service: elasticsearch7
             SEARCH_EXTRAS: "elasticsearch7"
 
     env:
       DB: ${{ matrix.db-service }}
       SEARCH: ${{ matrix.search-service }}
-      EXTRAS: all,${{ matrix.DB_EXTRAS }},${{ matrix.SEARCH_EXTRAS }}
+      EXTRAS: tests,${{ matrix.SEARCH_EXTRAS }}
     steps:
       - name: Checkout
         uses: actions/checkout@v2
@@ -67,7 +51,7 @@ jobs:
 
       - name: Generate dependencies
         run: |
-          python -m pip install --upgrade pip setuptools py wheel requirements-builder
+          pip install wheel requirements-builder
           requirements-builder -e "$EXTRAS" --level=${{ matrix.requirements-level }} setup.py > .${{ matrix.requirements-level }}-${{ matrix.python-version }}-requirements.txt
       - name: Cache pip
         uses: actions/cache@v2
diff --git a/docs/conf.py b/docs/conf.py
index a675ede..78d92d3 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -8,7 +8,7 @@
 
 """Sphinx configuration."""
 
-import os
+from invenio_theme_tugraz import __version__
 
 # -- General configuration ------------------------------------------------
 
@@ -54,17 +54,8 @@ author = u"Graz University of Technology"
 #
 # The short X.Y version.
 
-# Get the version string. Cannot be done with import!
-g = {}
-with open(
-    os.path.join(os.path.dirname(__file__), "..", "invenio_theme_tugraz", "version.py"),
-    "rt",
-) as fp:
-    exec(fp.read(), g)
-    version = g["__version__"]
-
 # The full version, including alpha/beta/rc tags.
-release = version
+release = __version__
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/invenio_theme_tugraz/__init__.py b/invenio_theme_tugraz/__init__.py
index b7f32a0..b76b99e 100644
--- a/invenio_theme_tugraz/__init__.py
+++ b/invenio_theme_tugraz/__init__.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2020-2021 Graz University of Technology.
+# Copyright (C) 2020-2022 Graz University of Technology.
 #
 # invenio-theme-tugraz is free software; you can redistribute it and/or
 # modify it under the terms of the MIT License; see LICENSE file for more
@@ -9,6 +9,7 @@
 """invenio module for TUGRAZ theme."""
 
 from .ext import InvenioThemeTugraz
-from .version import __version__
+
+__version__ = "3.8.0"
 
 __all__ = ("__version__", "InvenioThemeTugraz")
diff --git a/invenio_theme_tugraz/search.py b/invenio_theme_tugraz/search.py
index 6a9d375..bf170db 100644
--- a/invenio_theme_tugraz/search.py
+++ b/invenio_theme_tugraz/search.py
@@ -8,8 +8,6 @@
 
 """Frontpage records."""
 
-from __future__ import absolute_import, print_function
-
 from elasticsearch_dsl.query import Q
 from invenio_search.api import RecordsSearch
 
diff --git a/invenio_theme_tugraz/version.py b/invenio_theme_tugraz/version.py
deleted file mode 100644
index 6e081e6..0000000
--- a/invenio_theme_tugraz/version.py
+++ /dev/null
@@ -1,15 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-# Copyright (C) 2020-2022 Graz University of Technology.
-#
-# invenio-theme-tugraz is free software; you can redistribute it and/or
-# modify it under the terms of the MIT License; see LICENSE file for more
-# details.
-
-"""Version information for invenio-theme-tugraz.
-
-This file is imported by ``invenio_theme_tugraz.__init__``,
-and parsed by ``setup.py``.
-"""
-
-__version__ = "3.8.0"
diff --git a/invenio_theme_tugraz/views.py b/invenio_theme_tugraz/views.py
index 41d64c3..a0f3db0 100644
--- a/invenio_theme_tugraz/views.py
+++ b/invenio_theme_tugraz/views.py
@@ -8,8 +8,6 @@
 
 """invenio module for TUGRAZ theme."""
 
-import binascii
-from os import environ
 from typing import Dict
 
 from elasticsearch_dsl.utils import AttrDict
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..ec4e1ea
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools", "wheel", "babel>2.8"]
+build-backend = "setuptools.build_meta"
diff --git a/run-tests.sh b/run-tests.sh
index f0ee23a..a91e1d8 100755
--- a/run-tests.sh
+++ b/run-tests.sh
@@ -16,17 +16,8 @@ set -o errexit
 # Quit on unbound symbols
 set -o nounset
 
-# Always bring down docker services
-
-function cleanup() {
-    eval "$(docker-services-cli down --env)"
-}
-trap cleanup EXIT
-
-
 python -m check_manifest --ignore ".*-requirements.txt"
 python -m sphinx.cmd.build -qnN docs docs/_build/html
-eval "$(docker-services-cli up --db ${DB:-postgresql} --search ${SEARCH:-elasticsearch} --cache ${CACHE:-redis} --env)"
 python -m pytest
 tests_exit_code=$?
 python -m sphinx.cmd.build -qnN -b doctest docs docs/_build/doctest
diff --git a/setup.cfg b/setup.cfg
index 909f8c5..6be352f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -6,6 +6,62 @@
 # modify it under the terms of the MIT License; see LICENSE file for more
 # details.
 
+[metadata]
+name = invenio-theme-tugraz
+version = attr: invenio_theme_tugraz.__version__
+description = "Invenio module for TUGRAZ theme."
+long_description = file: README.rst, CHANGES.rst
+keywords = invenio theme invenioRDM TU-Graz
+license = MIT
+author = "Graz University of Technology"
+author_email = mojib.wali@tugraz.at
+url = https://github.com/tu-graz-library/invenio-theme-tugraz
+platforms = any
+classifiers =
+    Environment :: Web Environment
+    Intended Audience :: Developers
+    License :: OSI Approved :: MIT License
+    Operating System :: OS Independent
+    Programming Language :: Python
+    Topic :: Internet :: WWW/HTTP :: Dynamic Content
+    Topic :: Software Development :: Libraries :: Python Modules
+    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
+    Development Status :: 3 - Alpha
+
+[options]
+include_package_data = True
+packages = find:
+python_requires = >=3.8
+zip_safe = False
+install_requires =
+    Flask-BabelEx>=0.9.4
+    Flask-WebpackExt>=1.0.0
+    invenio-assets>=1.2.0
+    invenio-i18n>=1.2.0
+    invenio_config_tugraz>=0.8.2,<0.9.0
+
+[options.extras_require]
+tests =
+    sphinx>=4.2.0,<5
+    pytest-invenio>=1.4.7
+    invenio-app>=1.3.0,<2.0.0
+elasticsearch7 =
+    invenio-search[elasticsearch7]>=1.4.2,<2.0
+
+[options.entry_points]
+invenio_base.apps =
+    invenio_theme_tugraz = invenio_theme_tugraz:InvenioThemeTugraz
+invenio_base.blueprints =
+    invenio_theme_tugraz = invenio_theme_tugraz.views:ui_blueprint
+invenio_i18n.translations =
+    messages = invenio_theme_tugraz
+invenio_assets.webpack =
+    invenio_theme_tugraz_theme = invenio_theme_tugraz.webpack:theme
+invenio_config.module =
+    invenio_theme_tugraz = invenio_theme_tugraz.config
+
 [aliases]
 test = pytest
 
diff --git a/setup.py b/setup.py
index fc623dd..f446ad3 100644
--- a/setup.py
+++ b/setup.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 #
-# Copyright (C) 2020-2021 Graz University of Technology.
+# Copyright (C) 2020-2022 Graz University of Technology.
 #
 # invenio-theme-tugraz is free software; you can redistribute it and/or
 # modify it under the terms of the MIT License; see LICENSE file for more
@@ -8,113 +8,6 @@
 
 """invenio module for TUGRAZ theme."""
 
-import os
+from setuptools import setup
 
-from setuptools import find_packages, setup
-
-readme = open("README.rst").read()
-history = open("CHANGES.rst").read()
-
-tests_require = [
-    "pytest-invenio>=1.4.0",
-    "invenio-app>=1.3.0,<2.0.0",
-]
-
-# Should follow invenio-app-rdm
-invenio_search_version = ">=1.4.0,<1.5.0"
-invenio_db_version = ">=1.0.9,<1.1.0"
-
-extras_require = {
-    "elasticsearch7": [f"invenio-search[elasticsearch7]{invenio_search_version}"],
-    "mysql": [f"invenio-db[mysql,versioning]{invenio_db_version}"],
-    "postgresql": [f"invenio-db[postgresql,versioning]{invenio_db_version}"],
-    "sqlite": [f"invenio-db[versioning]{invenio_db_version}"],
-    "docs": [
-        "Sphinx==4.2.0",
-    ],
-    "tests": tests_require,
-}
-
-extras_require["all"] = []
-for name, reqs in extras_require.items():
-    if name[0] == ":" or name in (
-        "elasticsearch7",
-        "mysql",
-        "postgresql",
-        "sqlite",
-    ):
-        continue
-    extras_require["all"].extend(reqs)
-
-setup_requires = [
-    "Babel>=1.3",
-    "pytest-runner>=3.0.0,<5",
-]
-
-install_requires = [
-    "Flask-BabelEx>=0.9.4",
-    "Flask-WebpackExt>=1.0.0",
-    "invenio-assets>=1.2.0",
-    "invenio-i18n>=1.2.0",
-    "invenio_config_tugraz>=0.8.2,<0.9.0",
-]
-
-packages = find_packages()
-
-
-# Get the version string. Cannot be done with import!
-g = {}
-with open(os.path.join("invenio_theme_tugraz", "version.py"), "rt") as fp:
-    exec(fp.read(), g)
-    version = g["__version__"]
-
-setup(
-    name="invenio-theme-tugraz",
-    version=version,
-    description=__doc__,
-    long_description=readme + "\n\n" + history,
-    keywords="invenio, theme, invenioRDM, TU-Graz, Graz University of Technology, statistics",
-    license="MIT",
-    author="Graz University of Technology",
-    author_email="mojib.wali@tugraz.at",
-    url="https://github.com/tu-graz-library/invenio-theme-tugraz",
-    packages=packages,
-    zip_safe=False,
-    include_package_data=True,
-    platforms="any",
-    entry_points={
-        "invenio_base.apps": [
-            "invenio_theme_tugraz = invenio_theme_tugraz:InvenioThemeTugraz",
-        ],
-        "invenio_base.blueprints": [
-            "invenio_theme_tugraz = invenio_theme_tugraz.views:ui_blueprint",
-        ],
-        "invenio_i18n.translations": [
-            "messages = invenio_theme_tugraz",
-        ],
-        "invenio_assets.webpack": [
-            "invenio_theme_tugraz_theme = invenio_theme_tugraz.webpack:theme",
-        ],
-        "invenio_config.module": [
-            "invenio_theme_tugraz = invenio_theme_tugraz.config",
-        ],
-    },
-    extras_require=extras_require,
-    install_requires=install_requires,
-    setup_requires=setup_requires,
-    tests_require=tests_require,
-    classifiers=[
-        "Environment :: Web Environment",
-        "Intended Audience :: Developers",
-        "License :: OSI Approved :: MIT License",
-        "Operating System :: OS Independent",
-        "Programming Language :: Python",
-        "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
-        "Topic :: Software Development :: Libraries :: Python Modules",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.6",
-        "Programming Language :: Python :: 3.7",
-        "Programming Language :: Python :: 3.8",
-        "Development Status :: 3 - Alpha",
-    ],
-)
+setup()
diff --git a/tests/conftest.py b/tests/conftest.py
index 534a9a1..419172e 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -12,62 +12,21 @@ See https://pytest-invenio.readthedocs.io/ for documentation on which test
 fixtures are available.
 """
 
-import os
-import shutil
-import tempfile
-
 import pytest
 from flask import Flask
-from flask_babelex import Babel
-from invenio_db import InvenioDB, db
 from invenio_i18n import InvenioI18N
-from invenio_search import InvenioSearch
-from sqlalchemy_utils.functions import create_database, database_exists, drop_database
 
 from invenio_theme_tugraz import InvenioThemeTugraz
 
 
-@pytest.fixture(scope="module")
-def celery_config():
-    """Override pytest-invenio fixture.
-
-    TODO: Remove this fixture if you add Celery support.
-    """
-    return {}
-
-
 @pytest.fixture()
 def app(request):
     """Basic Flask application."""
-    instance_path = tempfile.mkdtemp()
     app = Flask("testapp")
-    DB = os.getenv("SQLALCHEMY_DATABASE_URI", "sqlite://")
     app.config.update(
         I18N_LANGUAGES=[("en", "English"), ("de", "German")],
-        SQLALCHEMY_DATABASE_URI=DB,
-        SQLALCHEMY_TRACK_MODIFICATIONS=False,
     )
-    Babel(app)
-    InvenioDB(app)
-    InvenioSearch(app)
     InvenioThemeTugraz(app)
     InvenioI18N(app)
 
-    with app.app_context():
-        db_url = str(db.engine.url)
-        if db_url != "sqlite://" and not database_exists(db_url):
-            create_database(db_url)
-        db.create_all()
-
-    def teardown():
-        with app.app_context():
-            db_url = str(db.engine.url)
-            db.session.close()
-            if db_url != "sqlite://":
-                drop_database(db_url)
-            shutil.rmtree(instance_path)
-
-    request.addfinalizer(teardown)
-    app.test_request_context().push()
-
     return app
diff --git a/tests/test_invenio_theme_tugraz.py b/tests/test_invenio_theme_tugraz.py
index 772b2a4..9d2153b 100644
--- a/tests/test_invenio_theme_tugraz.py
+++ b/tests/test_invenio_theme_tugraz.py
@@ -35,4 +35,4 @@ def test_init():
 
 def test_app(app):
     """Test extension initialization."""
-    theme = InvenioThemeTugraz(app)
+    _ = InvenioThemeTugraz(app)
diff --git a/tests/ui/conftest.py b/tests/ui/conftest.py
deleted file mode 100644
index 8b66b13..0000000
--- a/tests/ui/conftest.py
+++ /dev/null
@@ -1,22 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-# Copyright (C) 2020-2021 Graz University of Technology.
-#
-# invenio-theme-tugraz is free software; you can redistribute it and/or
-# modify it under the terms of the MIT License; see LICENSE file for more
-# details.
-
-"""Pytest configuration.
-
-See https://pytest-invenio.readthedocs.io/ for documentation on which test
-fixtures are available.
-"""
-
-import pytest
-from invenio_app.factory import create_ui
-
-
-@pytest.fixture(scope='module')
-def create_app(instance_path):
-    """Application factory fixture."""
-    return create_ui
diff --git a/tests/ui/test_views.py b/tests/ui/test_views.py
deleted file mode 100644
index 40f8e45..0000000
--- a/tests/ui/test_views.py
+++ /dev/null
@@ -1,33 +0,0 @@
-# # -*- coding: utf-8 -*-
-# #
-# # Copyright (C) 2020-2021 Graz University of Technology.
-# #
-# # invenio-theme-tugraz is free software; you can redistribute it and/or
-# # modify it under the terms of the MIT License; see LICENSE file for more
-# # details.
-
-# """Test views."""
-
-# from elasticsearch_dsl.utils import AttrDict
-
-# from invenio_theme_tugraz.views import cast_to_dict, make_dict_like
-
-
-# def test_make_dict_like():
-#     """Test make_dict_like."""
-#     access = {
-#         "access_right" : "open"
-#     }
-#     dicts = make_dict_like("open", "access_right")
-#     assert access == dicts
-
-
-# def test_cast_to_dict():
-#     """Test cast_to_dict."""
-#     resource_type = {
-#         "subtype" : "publication-datamanagementplan",
-#         "type" : "publication"
-#     }
-#     expected = {'subtype': 'publication-datamanagementplan', 'type': 'publication'}
-#     attr = cast_to_dict(AttrDict(resource_type))
-#     assert expected == attr