diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index d30a6720..3a7f2b2a 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -20,7 +20,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v3
         with:
           python-version: '3.9'
 
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index fd4d5abc..fcda7737 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -18,28 +18,21 @@ jobs:
         os: [ubuntu-latest]
         python-version: ['3.7', '3.8', '3.9', '3.10']
         cratedb-version: ['nightly']
-        sqla-version: ['1.4.37']
+        sqla-version: ['1.3.24']
       fail-fast: false
-    env:
-      CRATEDB_VERSION: ${{ matrix.cratedb-version }}
-      SQLALCHEMY_VERSION: ${{ matrix.sqla-version }}
 
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v3
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: Invoke tests
+      - name: Install dependencies
         run: |
+          ./devtools/setup_ci.sh --cratedb-version=${{ matrix.cratedb-version }} --sqlalchemy-version=${{ matrix.sqla-version }}
 
-          # Bootstrap environment.
-          source bootstrap.sh
-
-          # Propagate build matrix information.
-          ./devtools/setup_ci.sh
-
-          # Invoke validation tasks.
-          flake8 src bin
-          coverage run bin/test -vv1
+      - name: Invoke tests
+        run: |
+          bin/flake8
+          bin/coverage run bin/test -vv1
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b005723b..99984d86 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Set up Python
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v3
         with:
           python-version: '3.9'
 
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 4e5fe1e8..bfab598c 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -16,14 +16,11 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest]
+        os: ['macos-10.15', 'macos-11', 'macos-12']
         python-version: ['3.7', '3.8', '3.9', '3.10']
         cratedb-version: ['4.8.0']
         sqla-version: ['1.3.24', '1.4.37']
-      fail-fast: true
-    env:
-      CRATEDB_VERSION: ${{ matrix.cratedb-version }}
-      SQLALCHEMY_VERSION: ${{ matrix.sqla-version }}
+      fail-fast: false
 
     steps:
       - uses: actions/checkout@v3
@@ -32,21 +29,26 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: Invoke tests
+      - name: Adjust environment for macOS
         run: |
+          brew install gnu-getopt
+          echo "/usr/local/opt/gnu-getopt/bin" >> $GITHUB_PATH
 
-          # Bootstrap environment.
-          source bootstrap.sh
-
-          # Propagate build matrix information.
-          ./devtools/setup_ci.sh
+      - name: Debug environment on macOS
+        run: |
+          sw_vers -productVersion
+          export SYSTEM_VERSION_COMPAT=1
+          sw_vers -productVersion
 
-          # Invoke validation tasks.
-          flake8 src bin
-          coverage run bin/test -vv1
+      - name: Install dependencies
+        run: |
+          ./devtools/setup_ci.sh --cratedb-version=${{ matrix.cratedb-version }} --sqlalchemy-version=${{ matrix.sqla-version }}
 
-          # Set the stage for the Codecov step.
-          coverage xml
+      - name: Invoke tests
+        run: |
+          bin/flake8
+          bin/coverage run bin/test -vv1
+          bin/coverage xml
 
       # https://github.com/codecov/codecov-action
       - name: Upload coverage results to Codecov
diff --git a/.gitignore b/.gitignore
index aeca2d6b..e62679a3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,9 +6,7 @@ coverage.xml
 .tox/
 *.DS_Store
 *.pyc
-bin/*
-!bin/test
-!bin/sphinx
+bin/
 build/
 crate-python.iml
 crate.egg-info
diff --git a/DEVELOP.rst b/DEVELOP.rst
index a6e8ff3c..d3d7efd4 100644
--- a/DEVELOP.rst
+++ b/DEVELOP.rst
@@ -5,22 +5,27 @@ Developer guide
 Setup
 =====
 
-To start things off, bootstrap the sandbox environment::
+This project uses buildout_ to set up the development environment.
 
-    source bootstrap.sh
+To start things off, create a Python virtualenv and install buildout::
 
-This command should automatically install all prerequisites for the development
-sandbox and drop you into the virtualenv, ready for invoking further commands.
+    python3 -m venv .venv
+    source .venv/bin/activate
 
+    # Workaround for Python 3.5
+    python -m pip install --upgrade "setuptools>=31,<51"
+
+    pip install zc.buildout==2.13.4
+
+Then, run::
+
+    buildout -N
 
 Running tests
 =============
 
 All tests will be invoked using the Python interpreter that was used when
-creating the Python virtualenv. The test runner is `zope.testrunner`_.
-
-Some examples are outlined below. In order to learn about more details,
-see, for example, `useful command-line options for zope-testrunner`_.
+creating the Python virtualenv. The test runner is zope.testrunner_.
 
 Run all tests::
 
@@ -36,18 +41,18 @@ Ignore specific test directories::
 
     ./bin/test -vvvv --ignore_dir=testing
 
-You can run the tests against multiple Python interpreters with `tox`_::
+You can run the tests against multiple Python interpreters with tox_::
 
-    tox
+    ./bin/tox
 
 To do this, you will need the respective Python interpreter versions available
 on your ``$PATH``.
 
 To run against a single interpreter, you can also invoke::
 
-    tox -e py37
+    ./bin/tox -e py37
 
-*Note*: Before running the tests, make sure to stop all CrateDB instances which
+*Note*: before running the tests, make sure to stop all CrateDB instances which
 are listening on the default CrateDB transport port to avoid side effects with
 the test layer.
 
@@ -116,6 +121,5 @@ nothing special you need to do to get the live docs to update.
 .. _Sphinx: http://sphinx-doc.org/
 .. _tox: http://testrun.org/tox/latest/
 .. _twine: https://pypi.python.org/pypi/twine
-.. _useful command-line options for zope-testrunner: https://pypi.org/project/zope.testrunner/#some-useful-command-line-options-to-get-you-started
+.. _zope.testrunner: https://pypi.python.org/pypi/zope.testrunner/4.4.1
 .. _versions hosted on ReadTheDocs: https://readthedocs.org/projects/crate-python/versions/
-.. _zope.testrunner: https://pypi.org/project/zope.testrunner/
diff --git a/base.cfg b/base.cfg
new file mode 100644
index 00000000..e470e47b
--- /dev/null
+++ b/base.cfg
@@ -0,0 +1,49 @@
+[buildout]
+develop = .
+extends = versions.cfg
+versions = versions
+show-picked-versions = true
+parts = test
+        crate
+        scripts
+        coverage
+        linter
+
+[scripts]
+recipe = zc.recipe.egg:script
+interpreter = py
+eggs = crate
+       crate [test,sqlalchemy]
+
+[coverage]
+recipe = zc.recipe.egg
+eggs = createcoverage
+
+[crate:linux]
+recipe = hexagonit.recipe.download
+url = https://cdn.crate.io/downloads/releases/crate-${versions:crate_server}.tar.gz
+strip-top-level-dir = true
+
+[crate:macosx]
+recipe = hexagonit.recipe.download
+url = https://cdn.crate.io/downloads/releases/cratedb/x64_mac/crate-${versions:crate_server}.tar.gz
+strip-top-level-dir = true
+
+[crate:windows]
+recipe = hexagonit.recipe.download
+url = https://cdn.crate.io/downloads/releases/cratedb/x64_windows/crate-${versions:crate_server}.zip
+strip-top-level-dir = true
+
+[test]
+relative-paths = true
+recipe = zc.recipe.testrunner
+defaults = ['--auto-color']
+eggs = crate [test,sqlalchemy]
+
+[linter]
+recipe = zc.recipe.egg:script
+eggs = flake8
+scripts = flake8
+initialization =
+    sys.argv.extend(['--count',
+                     '${buildout:directory}/src'])
diff --git a/bin/sphinx b/bin/sphinx
deleted file mode 100755
index 31463469..00000000
--- a/bin/sphinx
+++ /dev/null
@@ -1,15 +0,0 @@
-#!/usr/bin/env python
-import os
-import sys
-
-join = os.path.join
-base = os.path.dirname(os.path.abspath(os.path.realpath(__file__)))
-base = os.path.dirname(base)
-
-
-sys.argv.extend(['-b', 'html', '-E', 'docs', './out/html'])
-import sphinx.cmd.build  # noqa:E402
-
-
-if __name__ == '__main__':
-    sys.exit(sphinx.cmd.build.main())
diff --git a/bin/test b/bin/test
deleted file mode 100755
index bc720824..00000000
--- a/bin/test
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/usr/bin/env python
-import os
-import sys
-import zope.testrunner
-
-join = os.path.join
-base = os.path.dirname(os.path.abspath(os.path.realpath(__file__)))
-base = os.path.dirname(base)
-
-
-sys.argv[0] = os.path.abspath(sys.argv[0])
-
-if __name__ == '__main__':
-    sys.exit(zope.testrunner.run((['--auto-color', '--verbose']) + [
-        '--test-path', join(base, 'src'),
-        ]))
diff --git a/bootstrap.sh b/bootstrap.sh
deleted file mode 100644
index 0ad9a914..00000000
--- a/bootstrap.sh
+++ /dev/null
@@ -1,98 +0,0 @@
-#!/bin/bash
-#
-# Bootstrap sandbox environment for crate-python
-#
-# - Create a Python virtualenv
-# - Install all dependency packages and modules
-# - Install package in editable mode
-# - Drop user into an activated virtualenv
-#
-# Synopsis::
-#
-#     source bootstrap.sh
-#
-
-
-# Trace all invocations.
-# set -x
-
-# Default variables.
-BUILDOUT_VERSION=${BUILDOUT_VERSION:-2.13.7}
-CRATEDB_VERSION=${CRATEDB_VERSION:-4.8.1}
-SQLALCHEMY_VERSION=${SQLALCHEMY_VERSION:-1.4.37}
-
-
-function print_header() {
-    printf '=%.0s' {1..42}; echo
-    echo "$1"
-    printf '=%.0s' {1..42}; echo
-}
-
-function ensure_virtualenv() {
-    # Create a Python virtualenv with current version of Python 3.
-    # TODO: Maybe take `pyenv` into account.
-    if [[ ! -d .venv ]]; then
-        python3 -m venv .venv
-    fi
-}
-
-function activate_virtualenv() {
-    # Activate Python virtualenv.
-    source .venv/bin/activate
-}
-
-function before_setup() {
-
-    # When `wheel` is installed, Python will build `wheel` packages from all
-    # acquired `sdist` packages and will store them into `~/.cache/pip`, where
-    # they will be picked up by the caching machinery and will be reused on
-    # subsequent invocations when run on CI. This makes a *significant*
-    # difference on total runtime on CI, it is about 2x faster.
-    #
-    # Otherwise, there will be admonitions like:
-    #   Using legacy 'setup.py install' for foobar, since package 'wheel' is
-    #   not installed.
-    #
-    pip install wheel
-
-    # Install Buildout with designated version, allowing pre-releases.
-    pip install --pre "zc.buildout==${BUILDOUT_VERSION}"
-
-}
-
-function setup_package() {
-
-    # Install package in editable mode.
-    pip install --editable=.[sqlalchemy,test,doc]
-
-}
-
-function run_buildout() {
-    buildout -N
-}
-
-function finalize() {
-
-    # Some steps before dropping into the activated virtualenv.
-    echo
-    echo "Sandbox environment ready"
-    echo -n "Using SQLAlchemy version: "
-    python -c 'import sqlalchemy; print(sqlalchemy.__version__)'
-    echo
-
-}
-
-function main() {
-    ensure_virtualenv
-    activate_virtualenv
-    before_setup
-    setup_package
-    run_buildout
-    finalize
-}
-
-function lint() {
-    flake8 "$@" src bin
-}
-
-main
diff --git a/buildout.cfg b/buildout.cfg
index edd92a7f..172f1803 100644
--- a/buildout.cfg
+++ b/buildout.cfg
@@ -1,20 +1,24 @@
 [buildout]
-extends = versions.cfg
-versions = versions
-show-picked-versions = true
-parts = crate
+extends = base.cfg
+parts += tox
+         sphinx
+         scripts
 
-[crate:linux]
-recipe = hexagonit.recipe.download
-url = https://cdn.crate.io/downloads/releases/crate-${versions:crate_server}.tar.gz
-strip-top-level-dir = true
+[scripts]
+recipe = zc.recipe.egg:script
+eggs = wheel
+       docutils
+       twine
 
-[crate:macosx]
-recipe = hexagonit.recipe.download
-url = https://cdn.crate.io/downloads/releases/cratedb/x64_mac/crate-${versions:crate_server}.tar.gz
-strip-top-level-dir = true
+[tox]
+recipe = gp.recipe.tox
 
-[crate:windows]
-recipe = hexagonit.recipe.download
-url = https://cdn.crate.io/downloads/releases/cratedb/x64_windows/crate-${versions:crate_server}.zip
-strip-top-level-dir = true
+[sphinx]
+recipe = zc.recipe.egg:script
+eggs = sphinx
+       crate-docs-theme
+relative-paths=true
+scripts = sphinx-build=sphinx
+initialization =
+    sys.argv.extend(['-N', '-q', '-b', 'html',
+                     '-E', 'docs', '${buildout:directory}/out/html'])
diff --git a/devtools/create_tag.sh b/devtools/create_tag.sh
index 1ee0f68d..7a53cca1 100755
--- a/devtools/create_tag.sh
+++ b/devtools/create_tag.sh
@@ -48,7 +48,7 @@ fi
 
 # check if tag to create has already been created
 WORKING_DIR=`dirname $0`
-VERSION=`python setup.py --version`
+VERSION=`$WORKING_DIR/../bin/py setup.py --version`
 EXISTS=`git tag | grep $VERSION`
 
 if [ "$VERSION" == "$EXISTS" ]
diff --git a/devtools/setup_ci.sh b/devtools/setup_ci.sh
index e4d96299..b61f4da1 100755
--- a/devtools/setup_ci.sh
+++ b/devtools/setup_ci.sh
@@ -2,33 +2,71 @@
 
 set -e
 
+function args() {
+  options=$(getopt --long cratedb-version: --long sqlalchemy-version: -- "$@")
+  [ $? -eq 0 ] || {
+    echo "Incorrect options provided"
+    exit 1
+  }
+  eval set -- "$options"
+  while true; do
+      case "$1" in
+      --cratedb-version)
+          shift;
+          cratedb_version=$1
+          ;;
+      --sqlalchemy-version)
+          shift;
+          sqlalchemy_version=$1
+          ;;
+      --)
+          shift
+          break
+          ;;
+      esac
+      shift
+  done
+}
+
 function main() {
 
+  # Read command line arguments.
+  args $0 "$@"
+
   # Sanity checks.
-  [ -z ${CRATEDB_VERSION} ] && {
+  [ -z ${cratedb_version} ] && {
     echo "--cratedb-version must be given"
-    echo "Environment variable 'CRATEDB_VERSION' needed"
     exit 1
   }
-  [ -z ${SQLALCHEMY_VERSION} ] && {
-    echo "Environment variable 'SQLALCHEMY_VERSION' needed"
+  [ -z ${sqlalchemy_version} ] && {
+    echo "--sqlalchemy-version must be given"
     exit 1
   }
 
   # Let's go.
-  echo "Invoking tests with CrateDB ${CRATEDB_VERSION} and SQLAlchemy ${SQLALCHEMY_VERSION}"
+  echo "Invoking tests with CrateDB ${cratedb_version} and SQLAlchemy ${sqlalchemy_version}"
 
-  # Install designated SQLAlchemy version.
-  pip install "sqlalchemy==${SQLALCHEMY_VERSION}"
+  python -m pip install --upgrade pip
+
+  pip install --upgrade wheel
+  pip install "zc.buildout>=2,<3"
+
+  # Replace SQLAlchemy version.
+  sed -ir "s/SQLAlchemy.*/SQLAlchemy = ${sqlalchemy_version}/g" versions.cfg
 
   # Replace CrateDB version.
-  if [ ${CRATEDB_VERSION} = "nightly" ]; then
-    sed -ir "s/releases/releases\/nightly/g" buildout.cfg
+  if [ ${cratedb_version} = "nightly" ]; then
+    sed -ir "s/releases/releases\/nightly/g" base.cfg
     sed -ir "s/crate_server.*/crate_server = latest/g" versions.cfg
   else
-    sed -ir "s/crate_server.*/crate_server = ${CRATEDB_VERSION}/g" versions.cfg
+    sed -ir "s/crate_server.*/crate_server = ${cratedb_version}/g" versions.cfg
   fi
 
+  # Switch to enable compatibility with older versions of macOS.
+  export SYSTEM_VERSION_COMPAT=1
+
+  buildout -vv -n -c base.cfg
+
 }
 
 main "$@"
diff --git a/setup.cfg b/setup.cfg
index d5ca9e8e..12d4730e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -2,4 +2,4 @@
 universal = 1
 
 [flake8]
-ignore = E501, C901, W504
+ignore = E501,C901, W504
diff --git a/setup.py b/setup.py
index 41aed1bb..28eea262 100644
--- a/setup.py
+++ b/setup.py
@@ -64,17 +64,10 @@ def read(path):
         ]
     },
     extras_require=dict(
-        sqlalchemy=['sqlalchemy>=1.0,<1.5',
-                    'geojson>=2.5.0'],
-        test=['tox>=3,<4',
-              'zope.testing>=4,<5',
-              'zope.testrunner>=5,<6',
+        test=['zope.testing>=4,<5',
               'zc.customdoctests>=1.0.1,<2',
-              'createcoverage>=1,<2',
-              'stopit>=1.1.2,<2',
-              'flake8>=4,<5'],
-        doc=['sphinx>=3,<4',
-             'crate-docs-theme'],
+              'stopit>=1.1.2,<2'],
+        sqlalchemy=['sqlalchemy>=1.0,<1.5', 'geojson>=2.5.0']
     ),
     python_requires='>=3.4',
     install_requires=requirements,
diff --git a/versions.cfg b/versions.cfg
index ec56d408..2a91d62b 100644
--- a/versions.cfg
+++ b/versions.cfg
@@ -1,4 +1,65 @@
 [versions]
 crate_server = 4.8.0
 
+flake8 = 3.7.9
+mccabe = 0.6.1
+pep8 = 1.7.1
+pyflakes = 2.1.1
+Jinja2 = 2.11.3
+MarkupSafe = 1.1.1
+Pygments = 2.8.1
+Sphinx = 3.5.2
+SQLAlchemy = 1.3.23
+geojson = 2.5.0
+coverage = 5.5
+crate-docs-theme = 0.13.3
+createcoverage = 1.5
+docutils = 0.16
 hexagonit.recipe.download = 1.7.1
+py = 1.10.0
+tox = 3.23.0
+twine = 3.4.0
+pkginfo = 1.7.0
+zc.customdoctests = 1.0.1
+zc.recipe.egg = 2.0.7
+zc.recipe.testrunner = 2.2
+zope.testing = 4.9
+stopit = 1.1.2
+
+# Required by:
+# clint==0.5.1
+args = 0.1.0
+
+# Required by:
+# twine==1.8.1
+clint = 0.5.1
+
+# Required by:
+# zope.testrunner==4.4.3
+six = 1.15.0
+
+# Required by:
+# crate-docs-theme==0.3.6
+sphinxcontrib-plantuml = 0.19
+
+# Required by:
+# crate==0.12.3
+urllib3 = 1.26.4
+
+# Required by:
+# zope.testing==4.1.3
+# zope.testrunner==4.4.3
+zope.exceptions = 4.4
+
+# Required by:
+# zope.testing==4.1.3
+# zope.testrunner==4.4.3
+zope.interface = 5.2.0
+
+# Required by:
+# zc.recipe.testrunner==2.0.0
+zope.testrunner = 5.2
+gp.recipe.tox = 0.4
+
+requests = 2.25.1
+requests-toolbelt = 0.9.1