diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
index 1f8611c..f2e7fed 100644
--- a/.github/workflows/pypi-publish.yml
+++ b/.github/workflows/pypi-publish.yml
@@ -22,11 +22,12 @@ jobs:
         sudo apt-get update
         sudo apt-get -y install libegl1-mesa
         python -m pip install --upgrade pip
-        pip install flit flit-scm setuptools-scm
+        pip install build twine
         pip install .
     - name: Build and publish
       env:
-        FLIT_USERNAME: '__token__'
-        FLIT_PASSWORD: ${{ secrets.PYPI_TOKEN }}
+        PYPI_USERNAME: '__token__'
+        PYPI_PASSWORD: ${{ secrets.PYPI_TOKEN }}
       run: |
-        flit publish
+        python -m build
+        python -m twine upload dist/* -u $PYPI_USERNAME -p $PYPI_PASSWORD
diff --git a/pyproject.toml b/pyproject.toml
index bc3accd..babecd5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -2,12 +2,12 @@
 requires = ["flit_scm"]
 build-backend = "flit_scm:buildapi"
 
-[tool.flit.metadata]
-module = "rimseval"
-author = "Reto Trappitsch"
-author-email = "reto@galactic-forensics.space"
-home-page = "https://github.com/RIMS-Code/RIMSEval"
-requires = [
+[project]
+name = "rimseval"
+authors = [
+    {name="Reto Trappitsch", email="reto@galactic-forensics.space"}
+    ]
+dependencies = [
     "iniabu>=1.1.2",
     "matplotlib",
     "numba~=0.57.1",
@@ -18,9 +18,14 @@ requires = [
 ]
 requires-python=">=3.8,<3.12"
 classifiers = [ "License :: OSI Approved :: MIT License",]
-description-file = "README.rst"
+readme = "README.rst"
+dynamic = ["version", "description"]
 
-[tool.flit.metadata.requires-extra]
+[project.urls]
+Source = "https://github.com/RIMS-Code/RIMSEval"
+Documentation = "https://rimseval.readthedocs.io"
+
+[project.optional-dependencies]
 dev = [
     "darglint>=1.5.1",
     "flake8",
@@ -49,5 +54,8 @@ minversion = "6.0"
 addopts = "--cov=rimseval -v"
 testpaths = "tests"
 
+[tool.flit.sdist]
+exclude = [".gitignore", ".readthedocs.yaml"]
+
 [tool.setuptools_scm]
 write_to = "rimseval/_version.py"