diff --git a/.github/workflows/python-packages.yml b/.github/workflows/python-packages.yml
index cfa6aa8..77bf08c 100644
--- a/.github/workflows/python-packages.yml
+++ b/.github/workflows/python-packages.yml
@@ -6,6 +6,8 @@ on:
     tags:
       - "v[0-9]+.[0-9]+.[0-9]+"
       - "v[0-9]+.[0-9]+.[0-9]+-[0-9]+"
+    branches:
+      - test-sdist
 
 jobs:
 
@@ -28,7 +30,7 @@ jobs:
 
       - name: "Install python dependencies"
         run: |
-          pip install setuptools
+          pip install setuptools build
 
       - name: "Build source distribution"
         run: |
@@ -41,59 +43,59 @@ jobs:
           path: dist/
           retention-days: 1
 
-  build_wheels:
-
-    name: "Build wheels on ${{ matrix.os }}"
-    runs-on: ${{ matrix.os }}
-
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - ubuntu-22.04
-          - windows-2019
-          - macos-11
-
-    steps:
-
-      - name: "Checkout the repository"
-        uses: actions/checkout@v4
-        with:
-          submodules: true
-
-      - name: "Build wheels"
-        uses: pypa/cibuildwheel@v2.16.2
-        env:
-          CIBW_ARCHS_MACOS: x86_64 arm64 universal2
-          CIBW_SKIP: cp*-win32
-
-      - name: "Upload artifacts"
-        uses: actions/upload-artifact@v4
-        with:
-          name: wheels-${{ matrix.os }}
-          path: ./wheelhouse/*.whl
-          retention-days: 1
-
-  publish_pypi:
-
-    name: "Publish packages on PyPI"
-    runs-on: ubuntu-latest
-    needs:
-      - build_sdist
-      - build_wheels
-
-    steps:
-
-      - name: "Download artifacts"
-        uses: actions/download-artifact@v4
-
-      - name: "Move packages to the dist/ folder"
-        run: |
-          mkdir dist/
-          mv sdist/* dist/
-          mv wheels-*/*.whl dist/
-
-      - name: "Publish packages on PyPI"
-        uses: pypa/gh-action-pypi-publish@release/v1
-        with:
-          password: ${{ secrets.PYPI_API_TOKEN }}
+#  build_wheels:
+#
+#    name: "Build wheels on ${{ matrix.os }}"
+#    runs-on: ${{ matrix.os }}
+#
+#    strategy:
+#      fail-fast: false
+#      matrix:
+#        os:
+#          - ubuntu-22.04
+#          - windows-2019
+#          - macos-11
+#
+#    steps:
+#
+#      - name: "Checkout the repository"
+#        uses: actions/checkout@v4
+#        with:
+#          submodules: true
+#
+#      - name: "Build wheels"
+#        uses: pypa/cibuildwheel@v2.16.2
+#        env:
+#          CIBW_ARCHS_MACOS: x86_64 arm64 universal2
+#          CIBW_SKIP: cp*-win32
+#
+#      - name: "Upload artifacts"
+#        uses: actions/upload-artifact@v4
+#        with:
+#          name: wheels-${{ matrix.os }}
+#          path: ./wheelhouse/*.whl
+#          retention-days: 1
+#
+#  publish_pypi:
+#
+#    name: "Publish packages on PyPI"
+#    runs-on: ubuntu-latest
+#    needs:
+#      - build_sdist
+#      - build_wheels
+#
+#    steps:
+#
+#      - name: "Download artifacts"
+#        uses: actions/download-artifact@v4
+#
+#      - name: "Move packages to the dist/ folder"
+#        run: |
+#          mkdir dist/
+#          mv sdist/* dist/
+#          mv wheels-*/*.whl dist/
+#
+#      - name: "Publish packages on PyPI"
+#        uses: pypa/gh-action-pypi-publish@release/v1
+#        with:
+#          password: ${{ secrets.PYPI_API_TOKEN }}
diff --git a/MANIFEST.in b/MANIFEST.in
index 88b9ce2..23c4db5 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,8 +1,44 @@
+# YOGA Package
 include README.rst
 include LICENSE
 
-include assimp/CREDITS
-include assimp/LICENSE
-include assimp/Readme.md
+include yoga/model/assimp.h
+include yoga/model/_assimp.cpp
+include yoga/model/assimp.cpp
 
+# Assimp sources
+recursive-include assimp AUTHORS CREDITS
+recursive-include assimp README.* Readme.* readme.* README *info.txt README*.txt
+recursive-include assimp LICENSE License.txt license.txt UNLICENSE
+recursive-include assimp CMakeLists.txt *.in *.cmake *.cmakein *.ac *.am
+recursive-include assimp *.bor *.msc
+recursive-include assimp ChangeLog *Changes.txt
+recursive-include assimp *.rc
+recursive-include assimp *.c *.h *.cpp *.hpp *.cc *.inl *.included *.def *.S *.asm
+recursive-exclude assimp/build *
+recursive-exclude assimp/doc *
+recursive-exclude assimp/fuzz *
+recursive-exclude assimp/packaging *
+recursive-exclude assimp/port *
+recursive-exclude assimp/samples *
+recursive-exclude assimp/scripts *
+recursive-exclude assimp/test *
+recursive-exclude assimp/tools *
+recursive-exclude assimp/contrib/android-cmake *
+recursive-exclude assimp/contrib/draco/tools *
+recursive-exclude assimp/contrib/googletest *
+recursive-exclude assimp/contrib/googletest *
+recursive-exclude assimp/contrib/zip/test *
+
+# Repository "noise"
+global-exclude .git*
+global-exclude *.png
+recursive-exclude .github *
+recursive-exclude doc *
+recursive-exclude scripts *
 recursive-exclude test *
+recursive-exclude winbuild *
+exclude .flake8
+exclude noxfile.py
+exclude requirements*.txt
+exclude RELEASE.rst