diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index cadc9a40..b4bd84aa 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -8,23 +8,21 @@ jobs:
   pypi-publish:
     name: Publish release to PyPI
     runs-on: ubuntu-latest
-    environment:
-      name: pypi
-      url: https://test.pypi.org/p/GEB-model
-    permissions:
-      id-token: write
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.x"
+          python-version: "3.12"
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install build
+          pip install build twine
       - name: Build package
+        run: python -m build
+      - name: Publish package distributions to Test PyPI
+        env:
+          TWINE_USERNAME: __token__
+          TWINE_PASSWORD: ${{ secrets.TESTPYPI }}
         run: |
-          python -m build
-      - name: Publish package distributions to PyPI
-        uses: pypa/gh-action-pypi-publish@release/v1
\ No newline at end of file
+          python -m twine upload --repository-url https://test.pypi.org/legacy/ dist/*
\ No newline at end of file