diff --git a/cybertools/text/tests.py b/cybertools/text/tests.py
index c11e21e..f96a338 100755
--- a/cybertools/text/tests.py
+++ b/cybertools/text/tests.py
@@ -3,10 +3,15 @@
 """
 Tests for the 'cybertools.text' package.
 """
+import sys
+#sys.path = [p for p in sys.path if p != '']
+sys.path = sys.path[2:]
+print(sys.path)
 
 import unittest, doctest
 import warnings
 from cybertools.text import pdf
+from cybertools.text.html import htmlToText
 
 warnings.filterwarnings('ignore', category=ResourceWarning)
 
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..290a4a6
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,31 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "cybertools"
+version = "3.0.1"
+description = "cybertools: basic utilities for Zope3/bluebream/loops"
+readme = "README.md"
+license = {text = "MIT"}
+keywords = ["cybertools"]
+authors = [{name = "Helmut Merz", email = "helmutm@cy55.de"}]
+
+dependencies = [
+	"bs4",
+	"lxml",
+	"zope.interface",
+	"zope.testing",
+]
+
+[project.optional-dependencies]
+test = ["pytest"]
+
+[tool.setuptools]
+packages = ["cybertools"]
+
+[tool.pytest.ini_options]
+addopts = "-vv"
+python_files = "test_standard.py" # default: run only `standard` tests
+# use .pytest.ini file with `python_files = test_*.py` to run all tests
+
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 01bb954..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,3 +0,0 @@
-[egg_info]
-tag_build = dev
-tag_svn_revision = true
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 1827f54..0000000
--- a/setup.py
+++ /dev/null
@@ -1,33 +0,0 @@
-from setuptools import setup, find_packages
-import sys, os
-
-version = '2.3.0'
-
-setup(name='cybertools',
-      version=version,
-      description="cybertools: basic utilities for Zope3/bluebream/loops",
-      long_description="""\
-""",
-      classifiers=[], # Get strings from http://pypi.python.org/pypi?%3Aaction=list_classifiers
-      keywords='',
-      author='cyberconcepts.org team',
-      author_email='team@cyberconcepts.org',
-      url='https://www.cyberconcepts.org',
-      license='GPL',
-      packages=find_packages(exclude=['ez_setup', 'examples', 'tests']),
-      include_package_data=True,
-      zip_safe=False,
-      install_requires=[
-            # -*- Extra requirements: -*-
-            'lxml',
-            #'Pillow',
-            'zope.app.catalog',
-            'zope.app.file',
-            'zope.app.intid',
-            'zope.app.session',
-            'zope.sendmail',
-      ],
-      entry_points="""
-      # -*- Entry points: -*-
-      """,
-      )