diff --git a/.github/workflows/release-and-publish-to-pypi.yml b/.github/workflows/release-and-publish-to-pypi.yml
new file mode 100644
index 0000000..1e2b1c9
--- /dev/null
+++ b/.github/workflows/release-and-publish-to-pypi.yml
@@ -0,0 +1,28 @@
+name: Release and Publish to PyPI
+on:
+  push:
+    tags:
+      - 'v*'
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.11'
+
+      - name: Install dependencies
+        run: pip install -U build
+
+      - name: Build package
+        run: python -m build
+
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@v1.4.2
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_API_TOKEN }}
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
index 049382b..99dc2bb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -106,4 +106,7 @@ data/tmp.unv
 data/measurement_58b.uff
 .idea/
 .pypirc
-.vscode
\ No newline at end of file
+.vscode
+
+# other
+server_user_id.txt
\ No newline at end of file
diff --git a/docs/requirements.txt b/docs/requirements.txt
new file mode 100644
index 0000000..fa559b2
--- /dev/null
+++ b/docs/requirements.txt
@@ -0,0 +1,2 @@
+sphinx-rtd-theme
+sphinx-copybutton
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..9d4c4a3
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,43 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "pyuff"
+version = "2.4.1"
+authors = [{name = "Primož Čermelj, Janko Slavič", email = "janko.slavic@fs.uni-lj.si"}]
+maintainers = [{name = "Janko Slavič et al.", email = "janko.slavic@fs.uni-lj.si"}]
+license = "MIT"
+description = "UFF (Universal File Format) read/write."
+readme = "README.rst"
+keywords = ['UFF', 'UNV', 'Universal File Format', 'read/write']
+requires-python = ">=3.10"
+dependencies = [
+    "numpy",
+]
+classifiers = [
+    'Development Status :: 5 - Production/Stable',
+    'Intended Audience :: Developers',
+    'Topic :: Scientific/Engineering',
+    'Programming Language :: Python :: 3.10',
+    "License :: OSI Approved :: MIT License",
+]
+
+[tool.hatch.build.targets.wheel]
+include = ["sdypy"]
+
+[project.optional-dependencies]
+dev = [
+    "sphinx",
+    "twine",
+    "wheel",
+    "build",
+    "pytest",
+    "sphinx-rtd-theme",
+    "sphinx-copybutton",
+]
+
+[project.urls]
+homepage = "https://github.com/ladisk/pyuff"
+documentation = "https://pyuff.readthedocs.io/en/latest/"
+source = "https://github.com/ladisk/pyuff"
diff --git a/pyuff/__init__.py b/pyuff/__init__.py
index 63bdf7d..3cad839 100644
--- a/pyuff/__init__.py
+++ b/pyuff/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "2.4"
+__version__ = "2.4.1"
 from .pyuff import *
 from .datasets import *
 
diff --git a/readthedocs.yaml b/readthedocs.yaml
new file mode 100644
index 0000000..5216da5
--- /dev/null
+++ b/readthedocs.yaml
@@ -0,0 +1,35 @@
+# Read the Docs configuration file for Sphinx projects
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Set the OS, Python version and other tools you might need
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+    # You can also specify other tool versions:
+    # nodejs: "20"
+    # rust: "1.70"
+    # golang: "1.20"
+
+# Build documentation in the "docs/" directory with Sphinx
+sphinx:
+  configuration: docs/source/conf.py
+  # You can configure Sphinx to use a different builder, for instance use the dirhtml builder for simpler URLs
+  # builder: "dirhtml"
+  # Fail on all warnings to avoid broken references
+  # fail_on_warning: true
+
+# Optionally build your docs in additional formats such as PDF and ePub
+# formats:
+#    - pdf
+#    - epub
+
+# Optional but recommended, declare the Python requirements required
+# to build your documentation
+# See https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
+python:
+  install:
+  - requirements: docs/requirements.txt
\ No newline at end of file
diff --git a/requirements.dev.txt b/requirements.dev.txt
new file mode 100644
index 0000000..fb38362
--- /dev/null
+++ b/requirements.dev.txt
@@ -0,0 +1,9 @@
+# Package requirements for developers
+-r requirements.txt
+sphinx
+twine
+wheel
+build
+pytest
+sphinx-rtd-theme
+sphinx-copybutton
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 1cc18fc..296d654 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1 @@
-numpy
-pytest
+numpy
\ No newline at end of file