diff --git a/.github/actions/generic-ci/action.yml b/.github/actions/generic-ci/action.yml
index 2c5f12100a..a9e749d2fd 100644
--- a/.github/actions/generic-ci/action.yml
+++ b/.github/actions/generic-ci/action.yml
@@ -61,6 +61,9 @@ inputs:
   pybind11_version:
     description: 'Version of pybind11 to build'
     required: true
+  python_version:
+    description: 'Version of python to install'
+    required: true
 
 runs:
   using: "composite"
@@ -70,6 +73,7 @@ runs:
       shell: bash
       run: |
         [[ "${{ inputs.lfs_sha }}" ]] || { echo "lfs_sha input is empty" ; exit 1; }
+        [[ "${{ inputs.python_version }}" ]] || { echo "python_version input is empty" ; exit 1; }
 
     - name: Recover LFS Data
       uses: f3d-app/lfs-data-cache-action@v1
@@ -99,12 +103,11 @@ runs:
         raytracing_label: ${{inputs.raytracing_label}}
         cpu: ${{inputs.cpu}}
 
-    # Python is part of VFX reference platform (CY2025: 3.11)
     - name: Set up Python
       if: inputs.optional_deps_label == 'optional-deps'
       uses: actions/setup-python@v5
       with:
-        python-version: '3.11'
+        python-version: ${{inputs.python_version}}
 
     - name: Install Python dependencies
       if: inputs.optional_deps_label == 'optional-deps'
diff --git a/.github/actions/python-ci/action.yml b/.github/actions/python-ci/action.yml
index 3fee3f335c..c55e9ca3b1 100644
--- a/.github/actions/python-ci/action.yml
+++ b/.github/actions/python-ci/action.yml
@@ -37,6 +37,7 @@ runs:
       shell: bash
       run: |
         [[ "${{ inputs.lfs_sha }}" ]] || { echo "lfs_sha input is empty" ; exit 1; }
+        [[ "${{ inputs.python_version }}" ]] || { echo "python input is empty" ; exit 1; }
 
     - name: Recover LFS Data
       uses: f3d-app/lfs-data-cache-action@v1
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8ba3c8b3a4..162091e947 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -34,12 +34,15 @@ jobs:
       openvdb_min_version: ${{ steps.set_default_versions.outputs.openvdb_min_version }}
       pybind11_version: ${{ steps.set_default_versions.outputs.pybind11_version }}
       pybind11_min_version: ${{ steps.set_default_versions.outputs.pybind11_min_version }}
+      python_version: ${{ steps.set_default_versions.outputs.pybind11_version }}
+      python_min_version: ${{ steps.set_default_versions.outputs.pybind11_min_version }}
     steps:
 
     # Alembic is part of VFX reference platform (CY2025: 1.8.x)
     # OpenEXR is part of VFX reference platform (CY2025: 3.3.x)
     # OpenVDB is part of VFX reference platform (CY2025: 12.x)
     # OpenVDB min version is not enforced by F3D code and missing from VTK code
+    # Python is part of VFX reference platform (CY2025: 3.11)
     - name: Set default versions output
       id: set_default_versions
       shell: bash
@@ -58,6 +61,8 @@ jobs:
         echo "openvdb_min_version=v12.0.0" >> $GITHUB_OUTPUT
         echo "pybind11_version=v2.13.6" >> $GITHUB_OUTPUT
         echo "pybind11_min_version=v2.9.2" >> $GITHUB_OUTPUT
+        echo "python_version=3.11" >> $GITHUB_OUTPUT
+        echo "python_min_version=3.9" >> $GITHUB_OUTPUT
 
 #----------------------------------------------------------------------------
 # Cache LFS: Checkout LFS data and update the cache to limit LFS bandwidth
@@ -179,6 +184,7 @@ jobs:
         openexr_version: ${{needs.default_versions.outputs.openexr_version}}
         openvdb_version: ${{needs.default_versions.outputs.openvdb_version}}
         pybind11_version: ${{needs.default_versions.outputs.pybind11_version}}
+        python_version: ${{needs.default_versions.outputs.python_version}}
 
 #----------------------------------------------------------------------------
 # Linux CI: Build and test, cross-vtk build matrix
@@ -205,6 +211,7 @@ jobs:
           - openexr_version: ${{needs.default_versions.outputs.openexr_version}}
           - openvdb_version: ${{needs.default_versions.outputs.openvdb_version}}
           - pybind11_version: ${{needs.default_versions.outputs.pybind11_version}}
+          - python_version: ${{needs.default_versions.outputs.python_version}}
           - build_type: egl
             vtk_version: commit
             raytracing_label: raytracing
@@ -219,6 +226,7 @@ jobs:
             openexr_version: ${{needs.default_versions.outputs.openexr_version}}
             openvdb_version: ${{needs.default_versions.outputs.openvdb_version}}
             pybind11_version: ${{needs.default_versions.outputs.pybind11_version}}
+            python_version: ${{needs.default_versions.outputs.python_version}}
           - build_type: osmesa
             vtk_version: commit
             raytracing_label: raytracing
@@ -233,6 +241,7 @@ jobs:
             openexr_version: ${{needs.default_versions.outputs.openexr_version}}
             openvdb_version: ${{needs.default_versions.outputs.openvdb_version}}
             pybind11_version: ${{needs.default_versions.outputs.pybind11_version}}
+            python_version: ${{needs.default_versions.outputs.python_version}}
           - build_type: exclude_deprecated
             vtk_version: commit
             raytracing_label: raytracing
@@ -247,6 +256,7 @@ jobs:
             openexr_version: ${{needs.default_versions.outputs.openexr_version}}
             openvdb_version: ${{needs.default_versions.outputs.openvdb_version}}
             pybind11_version: ${{needs.default_versions.outputs.pybind11_version}}
+            python_version: ${{needs.default_versions.outputs.python_version}}
           - build_type: no_optional_deps
             vtk_version: commit
             raytracing_label: no-raytracing
@@ -261,6 +271,7 @@ jobs:
             openexr_version: ${{needs.default_versions.outputs.openexr_version}}
             openvdb_version: ${{needs.default_versions.outputs.openvdb_version}}
             pybind11_version: ${{needs.default_versions.outputs.pybind11_version}}
+            python_version: ${{needs.default_versions.outputs.python_version}}
           - build_type: static_libs
             vtk_version: commit
             raytracing_label: no-raytracing
@@ -275,6 +286,7 @@ jobs:
             openexr_version: ${{needs.default_versions.outputs.openexr_version}}
             openvdb_version: ${{needs.default_versions.outputs.openvdb_version}}
             pybind11_version: ${{needs.default_versions.outputs.pybind11_version}}
+            python_version: ${{needs.default_versions.outputs.python_version}}
           - build_type: mindeps
             vtk_version: commit
             raytracing_label: raytracing
@@ -289,6 +301,7 @@ jobs:
             openexr_version: ${{needs.default_versions.outputs.openexr_min_version}}
             openvdb_version: ${{needs.default_versions.outputs.openvdb_min_version}}
             pybind11_version: ${{needs.default_versions.outputs.pybind11_min_version}}
+            python_version: ${{needs.default_versions.outputs.python_min_version}}
 
     runs-on: ubuntu-22.04
     container: ghcr.io/f3d-app/f3d-ci
@@ -322,6 +335,7 @@ jobs:
         openexr_version: ${{matrix.openexr_version}}
         openvdb_version: ${{matrix.openvdb_version}}
         pybind11_version: ${{matrix.pybind11_version}}
+        python_version: ${{matrix.python_version}}
 
 #----------------------------------------------------------------------------
 # MacOS CI: Build and test, cross-vtk build matrix
@@ -358,6 +372,7 @@ jobs:
         openexr_version: ${{needs.default_versions.outputs.openexr_version}}
         openvdb_version: ${{needs.default_versions.outputs.openvdb_version}}
         pybind11_version: ${{needs.default_versions.outputs.pybind11_version}}
+        python_version: ${{needs.default_versions.outputs.python_version}}
 
 #----------------------------------------------------------------------------
 # MacOS ARM CI: Build and test, cross-vtk build matrix with a few optional builds