diff --git a/pyproject.toml b/pyproject.toml
index c058f1c..a09f6f7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,3 +15,13 @@ exclude = [
     "csxtools.egg-info",
     "__pycache__"
 ]
+
+[tool.pytest.ini_options]
+
+[tool.versioneer]
+VCS = "git"
+style = "pep440"
+versionfile_source = "csxtools/_version.py"
+versionfile_build = "csxtools/_version.py"
+tag_prefix = "v"
+parentdir_prefix = "csxtools-"
\ No newline at end of file
diff --git a/requirements-dev.txt b/requirements-dev.txt
index dabff92..dec9bd8 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,7 +1,6 @@
 codecov
 coveralls
-flake8
+ruff>=0.4.0
 pytest
-pytest-flake8
 sphinx
 sphinx-bootstrap-theme
diff --git a/requirements.txt b/requirements.txt
index a6b1da2..24ce15a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1 @@
 numpy
-ruff>=0.4.0
diff --git a/setup.cfg b/setup.cfg
index 970f7bc..e97499c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,9 +1,3 @@
-[egg_info]
-tag_build = 
-tag_svn_revision = 1
-
-[tool:pytest]
-
 [build_sphinx]
 source-dir = doc/
 build-dir  = doc/_build
@@ -12,9 +6,4 @@ all_files  = 1
 [upload_sphinx]
 upload-dir = doc/_build/html
 
-[versioneer]
-VCS = git
-style = pep440
-versionfile_source = csxtools/_version.py
-versionfile_build = csxtools/_version.py
-tag_prefix = v
+