diff --git a/.github/workflows/test_runner.yml b/.github/workflows/test_runner.yml
index 5ca43dedb..4b2a0d9cd 100644
--- a/.github/workflows/test_runner.yml
+++ b/.github/workflows/test_runner.yml
@@ -18,7 +18,7 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        python-version: [3.8, 3.9, "3.10", 3.11]
+        python-version: [3.8, 3.9, "3.10", 3.11, 3.12]
         os: [windows-latest, ubuntu-22.04]
     steps:
     - uses: actions/checkout@v4
@@ -48,16 +48,10 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         python -m pip install -r requirements.txt
+        python -m pip install -r dev-requirements.txt
     - name: List packages
       run:
         python -m pip list
-    - name: Install python3 kernelspecs
-      run: |
-        python -m pip install ipykernel
-        python -m ipykernel install --user
-    - name: Install coverage
-      run:
-        python -m pip install coverage[toml]
     - name: Run tests
       run: |
         if [ "$RUNNER_OS" != "Windows" ]; then
@@ -75,7 +69,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.8, 3.9, "3.10", 3.11]
+        python-version: [3.8, 3.9, "3.10", 3.11, 3.12]
         os: [windows-latest, ubuntu-22.04]
 #    needs: unit-tests
     steps:
@@ -99,6 +93,7 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         python -m pip install -r requirements.txt
+        python -m pip install -r dev-requirements.txt
     - name: List packages
       run: 
         python -m pip list
diff --git a/dev-requirements.txt b/dev-requirements.txt
index 7e949b5b8..338df871c 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,12 +1,9 @@
-black == 24.4.2
-pre-commit == 2.0.1
-PyYAML >= 5.4
-pylint >= 2.3.0
-setuptools >=64
-setuptools_scm[toml] >= 6.2
-build
-wheel >=0.36.2
-twine >= 3.4.1
 coverage[toml]
+black == 21.12b0
+pre-commit == 2.0.1
+pylint
 pyperf
--r "docs/requirements.txt"
+sphinx
+sphinx_rtd_theme
+sphinx-autoapi
+recommonmark
diff --git a/docs/requirements.txt b/docs/requirements.txt
deleted file mode 100644
index a80a2762e..000000000
--- a/docs/requirements.txt
+++ /dev/null
@@ -1,8 +0,0 @@
-markupsafe < 2.1  # Jinja2<3.0 tries to import soft_unicode, which has been removed in markupsafe 2.1
-jinja2 < 3.0  # Dagster 0.12.8 requires Jinja2<3.0
-docutils < 0.17
-sphinx < 5.2
-sphinx_rtd_theme
-recommonmark
-astroid < 3.0  # sphinx-autoapi installs the latest astroid. We are not compatible with astroid v3.0
-sphinx-autoapi < 2.1  # 2.1 removed support for sphinx < 5.2.0
diff --git a/pyproject.toml b/pyproject.toml
index 28ddff26f..ec7ad6fe7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,12 +11,11 @@ classifiers = [
     "License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)",
     "Operating System :: OS Independent",
 ]
-requires-python = ">=3.8.1, <3.12"
+requires-python = ">=3.8.1"
 dependencies = [
-    "pyside6 >= 6.5.0, != 6.5.3, != 6.6.3",
+    "pyside6 >= 6.5.0, != 6.5.3, != 6.6.3, != 6.7.0",
     "jupyter-client >=6.0",
     "qtconsole >=5.1",
-    "sqlalchemy >=1.3",
     "spinedb_api>=0.31.1",
     "spine_engine>=0.24.0",
     "numpy >=1.20.2",
diff --git a/requirements.txt b/requirements.txt
index 0ff41d492..93ee2dc10 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
--e git+https://github.com/spine-tools/Spine-Database-API.git#egg=spinedb_api
--e git+https://github.com/spine-tools/spine-engine.git#egg=spine_engine
--e git+https://github.com/spine-tools/spine-items.git#egg=spine_items
+-e git+https://github.com/spine-tools/Spine-Database-API.git@toolbox_2522_enable_python_3.12#egg=spinedb_api
+-e git+https://github.com/spine-tools/spine-engine.git@toolbox_2522_enable_python_3.12#egg=spine_engine
+-e git+https://github.com/spine-tools/spine-items.git@2522_enable_python_3.12#egg=spine_items
 -e .