diff --git a/.idea/.name b/.idea/.name
new file mode 100644
index 0000000..047b72f
--- /dev/null
+++ b/.idea/.name
@@ -0,0 +1 @@
+project_civiproxy_logs2json
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
index 698cbce..69ae855 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -2,7 +2,7 @@
 <project version="4">
   <component name="ProjectModuleManager">
     <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/civiproxy_logs2json.iml" filepath="$PROJECT_DIR$/.idea/civiproxy_logs2json.iml" />
+      <module fileurl="file://$PROJECT_DIR$/../project_civiproxy_logs2json/.idea/project_civiproxy_logs2json.iml" filepath="$PROJECT_DIR$/../project_civiproxy_logs2json/.idea/project_civiproxy_logs2json.iml" />
     </modules>
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/civiproxy_logs2json.iml b/.idea/project_civiproxy_logs2json.iml
similarity index 81%
rename from .idea/civiproxy_logs2json.iml
rename to .idea/project_civiproxy_logs2json.iml
index 6fda86d..ea9e34e 100644
--- a/.idea/civiproxy_logs2json.iml
+++ b/.idea/project_civiproxy_logs2json.iml
@@ -4,7 +4,7 @@
     <content url="file://$MODULE_DIR$">
       <excludeFolder url="file://$MODULE_DIR$/.venv" />
     </content>
-    <orderEntry type="inheritedJdk" />
+    <orderEntry type="jdk" jdkName="Python 3.10 (project_civiproxy_logs2json)" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
   <component name="PyNamespacePackagesService">
diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..8dd39ec
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1 @@
+include src/civiproxy_logs2json/*.toml
\ No newline at end of file
diff --git a/civiproxy_logs2json/__init__.py b/civiproxy_logs2json/__init__.py
deleted file mode 100644
index 22d43c6..0000000
--- a/civiproxy_logs2json/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-from .__main__ import main, translate_logfile
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..0e38919
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,45 @@
+[build-system]
+requires = ["setuptools>=61.0.0", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "civiproxy_logs2json"
+version = "1.0.4"
+description = "Translate a CiviProxy logfile into JSON format."
+readme = "README.md"
+authors = [{ name = "Marc Michalsky", email = "michalsky@forumZFD.de" }]
+license = { file = "LICENSE" }
+classifiers = [
+    "License :: OSI Approved :: MIT License",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+]
+keywords = ["civicrm", "json", "logs"]
+dependencies = ['tomli; python_version < "3.11"',]
+requires-python = ">=3.5"
+
+[project.optional-dependencies]
+dev = ["pytest", "bumpver"]
+
+[project.urls]
+Homepage = "https://github.com/MarcMichalsky/civiproxy_logs2json"
+
+[project.scripts]
+cpl2j = "civiproxy_logs2json.__main__:main"
+
+[tool.bumpver]
+current_version = "1.0.3"
+version_pattern = "MAJOR.MINOR.PATCH"
+commit_message = "🔖 bump version {old_version} -> {new_version}"
+commit = true
+tag = true
+push = true
+
+[tool.bumpver.file_patterns]
+"pyproject.toml" = [
+    'current_version = "{version}"',
+]
+"src/civiproxy_logs2json/__init__.py" = [
+    "{version}"
+]
+
diff --git a/setup.py b/setup.py
index 9d74870..6068493 100644
--- a/setup.py
+++ b/setup.py
@@ -1,23 +1,3 @@
-from setuptools import setup, find_packages
+from setuptools import setup
 
-with open("README.md", "r") as fh:
-    description = fh.read()
-
-setup(
-    name="civiproxy_logs2json",
-    version="1.0.3",
-    author="Marc Michalsky",
-    author_email="michalsky@forumZFD.de",
-    packages=find_packages("civiproxy_logs2json", exclude=["test"]),
-    description="Translate a CiviProxy logfile into JSON format.",
-    long_description=description,
-    long_description_content_type="text/markdown",
-    url="https://github.com/MarcMichalsky/civiproxy_logs2json",
-    license='MIT',
-    python_requires='>=3.5',
-    entry_points={
-        'console_scripts': [
-            'cpl2j = civiproxy_logs2json.__main__:main',
-        ],
-    },
-)
+setup()
diff --git a/src/civiproxy_logs2json/__init__.py b/src/civiproxy_logs2json/__init__.py
new file mode 100644
index 0000000..53371ed
--- /dev/null
+++ b/src/civiproxy_logs2json/__init__.py
@@ -0,0 +1,13 @@
+from importlib import resources
+from .__main__ import main, translate_logfile
+try:
+    import tomllib
+except ModuleNotFoundError:
+    import tomli as tomllib
+
+__version__ = "1.0.3"
+
+_cfg = tomllib.loads(resources.read_text("civiproxy_logs2json", "config.toml"))
+REQUEST_LINE_RE = _cfg["regex"]["request_line"]
+VALUES_LINE_RE = _cfg["regex"]["values_line"]
+CLOSING_LINE_RE = _cfg["regex"]["closing_line"]
diff --git a/civiproxy_logs2json/__main__.py b/src/civiproxy_logs2json/__main__.py
similarity index 68%
rename from civiproxy_logs2json/__main__.py
rename to src/civiproxy_logs2json/__main__.py
index 8e8ae59..7c425b4 100644
--- a/civiproxy_logs2json/__main__.py
+++ b/src/civiproxy_logs2json/__main__.py
@@ -4,21 +4,18 @@ import re
 import sys
 from typing import TextIO
 
-REQUEST_LINE_RE = r"^REQUEST FROM (?P<source>(\d{1,3}\.){3}\d{1,3}) ON (?P<date>\d\d\d\d-\d\d-\d\d) (?P<time>\d\d:\d\d:\d\d) -- Array$"
-VALUES_LINE_RE = r"^\s{4}\[(?P<key>.*)] => (?P<value>.*)$"
-CLOSING_LINE_RE = r"^\)$"
 
 # Setup argparse
 argparser = argparse.ArgumentParser(
-    description='Translate a CiviProxy logfile into JSON format. ')
-argparser.add_argument('-f',
-                       '--logfile',
-                       help='CiviProxy logfile',
-                       type=argparse.FileType('r', encoding='UTF-8'),
+    description="Translate a CiviProxy logfile into JSON format. ")
+argparser.add_argument("-f",
+                       "--logfile",
+                       help="CiviProxy logfile",
+                       type=argparse.FileType("r", encoding="UTF-8"),
                        default=(None if sys.stdin.isatty() else sys.stdin))
-argparser.add_argument('-i',
-                       '--indent',
-                       help='number of spaces to indent JSON output',
+argparser.add_argument("-i",
+                       "--indent",
+                       help="number of spaces to indent JSON output",
                        type=int,
                        default=4)
 
@@ -28,7 +25,7 @@ def main():
 
     # Print info if no logfile is specified or passed via stdin
     if not args.logfile:
-        print('Please specify a path to a CiviProxy logfile')
+        print("Please specify a path to a CiviProxy logfile")
         sys.exit()
 
     # Parse logfile and print it to console
@@ -59,5 +56,5 @@ def translate_logfile(logfile: TextIO) -> list:
     return json_
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     main()
diff --git a/src/civiproxy_logs2json/config.toml b/src/civiproxy_logs2json/config.toml
new file mode 100644
index 0000000..44300db
--- /dev/null
+++ b/src/civiproxy_logs2json/config.toml
@@ -0,0 +1,4 @@
+[regex]
+request_line = "^REQUEST FROM (?P<source>(\\d{1,3}\\.){3}\\d{1,3}) ON (?P<date>\\d\\d\\d\\d-\\d\\d-\\d\\d) (?P<time>\\d\\d:\\d\\d:\\d\\d) -- Array$"
+values_line = "^\\s{4}\\[(?P<key>.*)] => (?P<value>.*)$"
+closing_line = "^\\)$"
\ No newline at end of file
diff --git a/tests/test_translate_logfile.py b/tests/test_translate_logfile.py
index e5e7abb..8b2a60c 100644
--- a/tests/test_translate_logfile.py
+++ b/tests/test_translate_logfile.py
@@ -1,6 +1,6 @@
 import os
 import json
-from civiproxy_logs2json import translate_logfile
+from src.civiproxy_logs2json import translate_logfile
 
 
 def test_translate_logfile():