diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
index 4d24efd..cf612d3 100644
--- a/.github/workflows/linux.yml
+++ b/.github/workflows/linux.yml
@@ -5,31 +5,40 @@ on: [push]
 jobs:
   linux-test:
     runs-on: ubuntu-20.04
+    env:
+      DATABASE: test
     continue-on-error: true
+    services:
+      monetdb:
+        image: "monetdb/dev-builds:Aug2024"
+        env:
+          MDB_CREATE_DBS: '${{ env.DATABASE }}'
+          MDB_DB_ADMIN_PASS: monetdb
+        ports:
+          - 50000:50000
     strategy:
       matrix:
         branch: [default]
-        python-version: [3.8, 3.9, '3.10', '3.11']
-    container: monetdb/dev-builds:${{ matrix.branch }}
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
-
+        uses: actions/checkout@v4
+      - name: Install Debian packages
+        run: |
+          sudo apt-get update -qq
+          sudo apt-get install -y software-properties-common curl make
+          curl https://www.monetdb.org/downloads/MonetDB-GPG-KEY | sudo apt-key add -
+          sudo add-apt-repository 'deb http://dev.monetdb.org/downloads/deb/ focal monetdb'
+          sudo apt-get update -qq
+          sudo apt-get install -y monetdb-client
+      - name: Initialize MonetDB database
+        run: |
+          sudo -u monetdb mclient -d "monetdb://localhost:50000/${{ env.DATABASE }}?user=monetdb&password=monetdb" -s "create schema test_schema;"
+          sudo -u monetdb mclient -d "monetdb://localhost:50000/${{ env.DATABASE }}?user=monetdb&password=monetdb" -s "create schema test_schema2;"
+          sudo -u monetdb mclient -d "monetdb://localhost:50000/${{ env.DATABASE }}?user=monetdb&password=monetdb" -s "alter user monetdb set schema test_schema2;"
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
-
-            # - name: Setup database
-            #   run: |
-            #     cd test 
-            #     ./initfarm.sh
-            #     ./initdb.sh
-
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          python -m pip install tox tox-gh-actions
-
-      - name: Run Tox
-        run: tox
+      - name: Run tests
+        run: make pytest
diff --git a/.gitignore b/.gitignore
index 65a9ae8..3a93844 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,7 +24,6 @@ pip-log.txt
 
 # Unit test / coverage reports
 .coverage
-.tox
 nosetests.xml
 
 # Translations
diff --git a/Makefile b/Makefile
index 9dbac6c..46bddb4 100644
--- a/Makefile
+++ b/Makefile
@@ -1,23 +1,9 @@
-
 venv/:
 	python3 -m venv venv
+	venv/bin/pip install --upgrade pip wheel setuptools
 
 venv/bin/pytest: venv/
 	venv/bin/pip install -e ".[test]"
 
 pytest: venv/bin/pytest
 	venv/bin/pytest -r A
-
-venv/bin/tox: venv/
-	venv/bin/pip install tox
-
-tox: venv/bin/tox
-	venv/bin/tox
-
-setup: venv/
-	venv/bin/pip install -e ".[test]"
-
-test: tox
-
-clean:
-	rm -rf .tox/ build/
diff --git a/README.rst b/README.rst
index 6815398..6711e47 100644
--- a/README.rst
+++ b/README.rst
@@ -34,4 +34,3 @@ More info
 
  * http://www.sqlalchemy.org/
  * http://www.monetdb.org/
-
diff --git a/setup.cfg b/setup.cfg
index 3290b5a..1e63832 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -44,7 +44,7 @@ sqlalchemy.dialects =
 
 
 [options.extras_require]
-testing = 
+test =
     pytest>=7.4.0
     pytest-cov>=4.1.0
     coverage>=7.3.0
diff --git a/sqlalchemy_monetdb/dialect.py b/sqlalchemy_monetdb/dialect.py
index 4db891d..5b07407 100644
--- a/sqlalchemy_monetdb/dialect.py
+++ b/sqlalchemy_monetdb/dialect.py
@@ -903,7 +903,7 @@ def get_unique_constraints(
         return res
 
 
-    def get_check_constraints(self, connection: "Connection", table_name: str, schema: str | None = None, **kw:Any) -> List[ReflectedCheckConstraint]:
+    def get_check_constraints(self, connection, table_name, schema, **kw):
         """Return information about check constraints in `table_name`.
 
         Given a string `table_name` and an optional string `schema`, return
diff --git a/test/README.rst b/test/README.rst
index 9832d16..6fcac00 100644
--- a/test/README.rst
+++ b/test/README.rst
@@ -15,7 +15,6 @@ Create a test schema::
 
 Now you can run the test suite::
 
-    $ tox
-
+    $ pytest test
 
 The ``--db`` flag selects one of the preconfigured database URLs defined in setup.cfg.
diff --git a/tox.ini b/tox.ini
deleted file mode 100644
index 79bd1c8..0000000
--- a/tox.ini
+++ /dev/null
@@ -1,28 +0,0 @@
-[tox]
-minversion = 4.11.3
-envlist = py{38, 39, 310, 311}, flake8
-
-[gh-actions]
-python =
-    3.8: py38
-    3.9: py39
-    3.10: py310
-    3.11: py311, flake8
-
-[testenv]
-setenv = 
-    PYTHONPATH = {toxinidir}
-deps =
-    -r{toxinidir}/requirements_dev.txt
-allowlist_externals = 
-    {toxinidir}/test/*.sh
-commands = 
-    {toxinidir}/test/initfarm.sh
-    {toxinidir}/test/initdb.sh
-    pytest --cov=sqlalchemy_monetdb {posargs}
-    {toxinidir}/test/destroyfarm.sh
-
-[testenv:flake8]
-basepython = python3.11
-deps = flake8
-commands = flake8 sqlalchemy_monetdb