diff --git a/.ci_pip_reqs.txt b/.ci_pip_reqs.txt
index a3c59e3..65e9674 100644
--- a/.ci_pip_reqs.txt
+++ b/.ci_pip_reqs.txt
@@ -1,3 +1,4 @@
 pytest
 flake8
 https://github.com/petab-dev/libpetab-python/archive/develop.zip
+sympy>=1.12.1
diff --git a/.github/workflows/ci_tests.yml b/.github/workflows/ci_tests.yml
index 51e443f..ddebb60 100644
--- a/.github/workflows/ci_tests.yml
+++ b/.github/workflows/ci_tests.yml
@@ -27,8 +27,8 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip wheel
-        pip install -r .ci_pip_reqs.txt
         pip install -e .
+        pip install -r .ci_pip_reqs.txt
     - name: Run tests
       run: |
         python -m flake8 \
diff --git a/MANIFEST.in b/MANIFEST.in
index 4986c28..58059f7 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,2 +1,4 @@
 include petabtests/conversion.xml
 recursive-include petabtests/cases *
+recursive-exclude **/__pycache__ *
+exclude cases
diff --git a/pyproject.toml b/pyproject.toml
index 9787c3b..89d2672 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,41 @@
 [build-system]
 requires = ["setuptools", "wheel"]
 build-backend = "setuptools.build_meta"
+
+[project]
+name = "petabtests"
+dynamic = ["version"]
+description = "PEtab testsuite library"
+readme = "README.md"
+authors = [
+    { name = "Daniel Weindl", email = "sci@danielweindl.de" },
+    { name = "Yannik Schaelte", email = "yannik.schaelte@gmail.com" },
+]
+maintainers = [
+    { name = "Daniel Weindl", email = "sci@danielweindl.de" },
+]
+requires-python = ">=3.10"
+classifiers = [
+    "Development Status :: 3 - Alpha",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: BSD License",
+    "Operating System :: OS Independent",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+]
+keywords = ["PEtab", "testsuite"]
+dependencies = [
+    "numpy>=1.22",
+    "pandas>=2.0",
+    "petab>=0.1.4",
+    "pysb>=1.16.0",
+    "simplesbml",
+]
+
+[project.urls]
+homepage = "https://github.com/PEtab-dev/petab_test_suite"
+
+[project.scripts]
+petabtests_create = "petabtests.core:create"
+petabtests_clear = "petabtests.core:clear"
diff --git a/setup.py b/setup.py
index 5ca1b06..f4e5f62 100644
--- a/setup.py
+++ b/setup.py
@@ -18,41 +18,9 @@ def read(fname):
 exec(read(path.join(here, 'petabtests', 'version.py')))
 
 setup(
-    name='petabtests',
     version=__version__,  # noqa: F821
-    description='PEtab testsuite library',
     long_description=long_description,
     long_description_content_type='text/markdown',
-    url='https://github.com/PEtab-dev/petab_test_suite',
-    author='PEtab-dev',
-    author_email='yannik.schaelte@gmail.com',
-    maintainer='PEtab-dev',
-    maintainer_email='yannik.schaelte@gmail.com',
-    # author_email='',
-    classifiers=[
-        'Development Status :: 3 - Alpha',
-        'Intended Audience :: Developers',
-        'License :: OSI Approved :: BSD License',
-        'Operating System :: OS Independent',
-        'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8',
-        'Programming Language :: Python :: 3.9',
-    ],
-    keywords='PEtab testsuite',
     packages=find_namespace_packages(),
-    install_requires=[
-        'numpy',
-        'pandas',
-        'petab>=0.1.4',
-        'pysb',
-        'simplesbml',
-    ],
-    python_requires='>=3.10',
-    entry_points={
-        'console_scripts': [
-            'petabtests_create = petabtests.core:create',
-            'petabtests_clear = petabtests.core:clear',
-        ]
-    },
     include_package_data=True,
 )