diff --git a/.github/workflows/freeze_requirements.yml b/.github/workflows/freeze_requirements.yml
index d63a55f11..68450e29e 100644
--- a/.github/workflows/freeze_requirements.yml
+++ b/.github/workflows/freeze_requirements.yml
@@ -1,32 +1,34 @@
 name : Freeze release requirements
 
 on: 
-  push:
-    tags:
-      - '*'
+  release:
+    types: [published]
 
 jobs:
   freeze_requirements:
     runs-on: scilus-runners
     steps:
-      - 
-        name: Checkout scilpy
+      - name: Checkout scilpy
         uses: actions/checkout@v3
-      -
-        name: Install python
-        uses: actions/setup-python@v4
+
+      - name: Fetch python version from repository
+        id: python-selector
+        run: echo "python-version=$(head -1 .python-version)" >> $GITHUB_OUTPUT
+
+      - name: Set up Python for Scilpy
+        uses: actions/setup-python@v5.0.0
         with:
-          python-version-file: '.python-version'
+          python-version: ${{ steps.python-selector.outputs.python-version }}
           cache: 'pip'
-      -
-        name: Freeze requirements
+      
+      - name: Freeze requirements
         id: requirements-freezer
         run: |
           pip install pip-tools
           pip-compile --no-upgrade --allow-unsafe -o requirements.${{ github.ref_name }}.frozen
           echo "requirements=$PWD/requirements.${{ github.ref_name }}.frozen" >> $GITHUB_OUTPUT
-      -
-        name: Upload frozen requirements to release
+      
+      - name: Upload frozen requirements to release
         uses: softprops/action-gh-release@v1
         with:
           files : ${{ steps.requirements-freezer.outputs.requirements }}
diff --git a/.github/workflows/publish_to_testpypi.yml b/.github/workflows/publish_to_testpypi.yml
new file mode 100644
index 000000000..e00a8c5c5
--- /dev/null
+++ b/.github/workflows/publish_to_testpypi.yml
@@ -0,0 +1,72 @@
+name: Build
+
+on:
+  release:
+    types: [published]
+  
+jobs:
+  build_wheels:
+    permissions:
+      contents: write
+
+    name: Build wheels on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-20.04]
+
+    steps:
+      - name: Save workspaces path
+        id: workspace
+        run: echo "path=${GITHUB_WORKSPACE}" >> $GITHUB_OUTPUT
+
+      - name: Checkout Scilpy 
+        uses: actions/checkout@v4
+        with:
+          repository: scilus/scilpy
+          ref: ${{ github.ref_name }}
+          path: ${{ steps.workspace.outputs.path }}/scilpy
+
+      - name: Create source distribution for Scilpy
+        run: pipx run build --sdist --outdir ${{ steps.workspace.outputs.path }}/sdist ${{ steps.workspace.outputs.path }}/scilpy
+
+      # Once we have aarch64 vtk wheels, we can reinstate this to build scilpy wheels for aarch64
+      - name: Set up QEMU
+        if: runner.os == 'Linux'
+        uses: docker/setup-qemu-action@v3
+        with:
+          platforms: all
+
+      - name: Build wheels for Scilpy
+        uses: pypa/cibuildwheel@v2.16.2
+        with:
+          package-dir: ${{ steps.workspace.outputs.path }}/scilpy
+          output-dir: ${{ steps.workspace.outputs.path }}/sdist
+          config-file: ${{ steps.workspace.outputs.path }}/scilpy/cibuildwheel.toml
+        env:
+          CIBW_ARCHS_LINUX: auto64
+          CIBW_SKIP: "*-musllinux* pp* *-win* *-win32* *aarch64"
+
+      - name: Upload wheels and source to artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          path: |
+            ${{ steps.workspace.outputs.path }}/sdist/*.whl
+            ${{ steps.workspace.outputs.path }}/sdist/*.tar.gz
+
+      - name: Add wheels and sdist to release
+        uses: softprops/action-gh-release@v1
+        env:
+          GITHUB_TOKEN: ${{ github.token }}
+        with:
+          tag_name: ${{ github.ref_name }}
+          files: |
+            ${{ steps.workspace.outputs.path }}/sdist/*.tar.gz
+            ${{ steps.workspace.outputs.path }}/sdist/*.whl
+      
+    - name: Publish package distributions to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1
+      with:
+        password: ${{ secrets.TESTPYPI_PASSWORD }}
+        repository-url: https://test.pypi.org/scilpy/
+        packages-dir: ${{ steps.workspace.outputs.path }}/sdist/
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diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 8e714f6c4..14b49f075 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -27,7 +27,7 @@ jobs:
 
       - name: Fetch python version from repository
         id: python-selector
-        run: echo "python-version=$(cat .python-version)" >> $GITHUB_OUTPUT
+        run: echo "python-version=$(head -1 .python-version)" >> $GITHUB_OUTPUT
 
       - name: Set up Python for Scilpy
         uses: actions/setup-python@v5.0.0
diff --git a/.python-version b/.python-version
index 7c7a975f4..c48263aa2 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1,2 @@
-3.10
\ No newline at end of file
+3.10
+~=3.9,<3.12
\ No newline at end of file
diff --git a/cibuildwheel.toml b/cibuildwheel.toml
new file mode 100644
index 000000000..7a6db7865
--- /dev/null
+++ b/cibuildwheel.toml
@@ -0,0 +1,46 @@
+[tool.cibuildwheel]
+
+# We only build native to the local machine. If desired, this can be changed
+# to auto to build for all locally supported platforms. 32-bit builds on a
+# 64-bit architecture can be disabled by setting this to auto64.
+archs = ["native"]
+
+# We use build (instead of steuptools or pip) to create the Scilpy package
+build-frontend = "build"
+
+# We build for all those python versions, plus extras
+# (see below for skipped implementations)
+# TODO: add back *311-* when we pass to h5py >=3.8
+build = "*38-* *39-* *310-*"
+
+# By default, we skip :
+#  - All Pypa builds, since we have C extensions (not fully supported)
+#  - All windows builds (spams doesn't handle them)
+#  - All aarch64 builds (we don't have wheels for vtk)
+skip = "pp* *-win* *-win32* *aarch64"
+
+# Here, we want to run pytest on scilpy, once mocking accelerate all of them
+# For now, we only ensure the wheel has installed sucessfully
+test-command = "echo 'Wheel installed successfully'"
+
+# Dipy forgot to list packaging, we should not need this after 1.8.0
+before-test = "pip install packaging"
+
+# Install blas, lapack, freetype on x86_64
+[tool.cibuildwheel.linux]
+before-all = "yum -y update && yum -y install blas-devel lapack-devel freetype-devel"
+before-test = "yum -y update && yum -y install openblas-devel lapack freetype && pip install packaging"
+
+# Musl Linux uses APK instead of YUM, on x86_64
+[[tool.cibuildwheel.overrides]]
+select = "*-musllinux*"
+before-all = "apk add --no-cache blas-dev lapack-dev freetype-dev"
+before-test = "apk add --no-cache openblas-dev lapack freetype && pip install packaging"
+
+# To reinstate once vtk has official linux aarch64 wheels available (we won't build them for them)
+#[[tool.cibuildwheel.overrides]]
+#select = "*aarch64"
+#before-test = """
+#pip install packaging
+#pip config set global.extra-index-url https://gitlab.kitware.com/api/v4/projects/13/packages/pypi/simple/
+#"""
\ No newline at end of file