diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
new file mode 100644
index 0000000..6e86730
--- /dev/null
+++ b/.github/workflows/release.yaml
@@ -0,0 +1,48 @@
+name: Publish release on TestPypi
+
+on:
+  release:
+    types: [prereleased]
+
+jobs:
+  pre-release-build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.10"
+
+      - name: build release distributions
+        run: |
+          python -m pip install --upgrade pip
+          pip install build
+          python -m build
+
+      - name: upload windows dists
+        uses: actions/upload-artifact@v4
+        with:
+          name: release-dists
+          path: dist/
+
+  test-pypi-publish:
+    runs-on: ubuntu-latest
+    needs:
+      - release-build
+    permissions:
+      id-token: write
+
+    steps:
+      - name: Retrieve release distributions
+        uses: actions/download-artifact@v4
+        with:
+          name: release-dists
+          path: dist/
+
+      - name: Publish package distributions to TestPyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          repository-url: https://test.pypi.org/legacy/
+          package_name: python-navitia-client
diff --git a/pyproject.toml b/pyproject.toml
index 805fdde..5896499 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ classifiers = [
     "Intended Audience :: Developers",
     "Programming Language :: Python :: 3.10",
 ]
-version = "0.0.1"
+version = "1.0.1"
 requires-python = ">=3.10"
 dependencies = [
     "requests>=2.31, < 3",