diff --git a/.github/workflows/test-and-deploy.yml b/.github/workflows/test-and-deploy.yml
index 84d21db2..52a91171 100644
--- a/.github/workflows/test-and-deploy.yml
+++ b/.github/workflows/test-and-deploy.yml
@@ -185,14 +185,8 @@ jobs:
 
     steps:
       - name: Checkout
-        # uses: actions/checkout@v2
-        run: |
-          yum update
-          yum install -y git
-          git config --global --add safe.directory /__w/GPy/GPy
-          git clone --depth=1 https://github.com/${{ github.repository }}.git .
-          git checkout ${{ github.sha }}
-
+        uses: actions/checkout@v4
+        
       - name: Install build dependencies
         run: |
           /opt/python/${{ matrix.python }}/bin/python -m pip install setuptools
@@ -205,7 +199,7 @@ jobs:
         run: |
           /opt/python/${{ matrix.python }}/bin/python setup.py bdist_wheel
 
-      - name: Install auditwheel  # this should be available?!
+      - name: Install auditwheel
         run: |
           /opt/python/${{ matrix.python }}/bin/python -m pip install auditwheel
       
@@ -228,25 +222,12 @@ jobs:
       - name: List contents of dist
         run: ls -R dist
 
-      - name: Upload artifact using curl
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: |
-          tar -czf dist-artifacts-linux-${{ matrix.python }}.tar.gz -C dist .
-          curl -H "Authorization: token $GITHUB_TOKEN" \
-               -H "Content-Type: application/zip" \
-               --data-binary @dist-artifacts-manylinux-${{ matrix.python }}.tar.gz \
-               "https://uploads.github.com/repos/${{ github.repository }}/actions/artifacts/${{ github.run_id }}/dist-artifacts-manylinux-${{ matrix.python }}?name=dist-artifacts-manylinux-${{ matrix.python }}.tar.gz"
+      - name: Archive build artifacts
+        uses: actions/upload-artifact@v4
         with:
           name: dist-artifacts-manylinux-${{ matrix.python }}
           path: dist/*
 
-      # - name: Archive build artifacts
-      #   uses: actions/upload-artifact@v1
-      #   with:
-      #     name: dist-artifacts-manylinux-${{ matrix.python }}
-      #     path: dist/*
-
   deploy-test:
     runs-on: ubuntu-latest
     needs: [test-windows, test-linux, test-macos, build-linux, build-windows, build-macos]