diff --git a/.github/workflows/python-package-conda.yml b/.github/workflows/python-package-conda.yml
deleted file mode 100644
index 384f9b727c3c818b8d4cdbca477f159a2f0f42f9..0000000000000000000000000000000000000000
--- a/.github/workflows/python-package-conda.yml
+++ /dev/null
@@ -1,34 +0,0 @@
-name: Python Package using Conda
-
-on: [push]
-
-jobs:
-  build-linux:
-    runs-on: ubuntu-latest
-    strategy:
-      max-parallel: 5
-
-    steps:
-    - uses: actions/checkout@v3
-    - name: Set up Python 3.10
-      uses: actions/setup-python@v3
-      with:
-        python-version: '3.10'
-    - name: Add conda to system path
-      run: |
-        # $CONDA is an environment variable pointing to the root of the miniconda directory
-        echo $CONDA/bin >> $GITHUB_PATH
-    - name: Install dependencies
-      run: |
-        conda env update --file environment.yml --name base
-    - name: Lint with flake8
-      run: |
-        conda install flake8
-        # stop the build if there are Python syntax errors or undefined names
-        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
-        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
-    - name: Test with pytest
-      run: |
-        conda install pytest
-        pytest
diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
new file mode 100644
index 0000000000000000000000000000000000000000..1c3cdb11bf9f2d3f845db3764bde238ffa2e72e9
--- /dev/null
+++ b/.github/workflows/python-package.yml
@@ -0,0 +1,40 @@
+# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Python package
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.9", "3.10", "3.11"]
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install flake8 pytest
+        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+    - name: Lint with flake8
+      run: |
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: Test with pytest
+      run: |
+        cd test; pytest
diff --git a/README.md b/README.md
index ebdcde306e4d4aeb5895643e2f5c2a6cabcf530d..4f96eb0241c50eef0dd6e222b01cc412746ae155 100644
--- a/README.md
+++ b/README.md
@@ -72,5 +72,13 @@ Each model has advantages and disadvantages.
 
     python -m build
 
+    To upload to pypi:
+
+    python3 -m twine upload --repository testpypi dist/*     
+
+    To install:
+
+    pip install -i https://test.pypi.org/simple/ orekit-jpype==12.0.2.dev1     
+
 # usage
 See the example notebooks and the package test folder for examples.
diff --git a/pyproject.toml b/pyproject.toml
index 1d4259512915cf97b16fe83e02ada03a23e618f9..f76cf97869dcd521440c96ffa5b9ebba21620d48 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,9 @@ dependencies = [
 ]
 
 [project.urls]
-homepage = "https://gitlab.orekit.org/Petrush/orekit_jpype/-/tree/master"
+source = "https://gitlab.orekit.org/Petrush/orekit_jpype/-/tree/master"
+homepage = "https://www.orekit.org/"
+forum = "https://forum.orekit.org/"
 
 [project.optional-dependencies]
 tests = [