diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index ae73594..5fe262b 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -33,6 +33,8 @@ jobs:
         with:
           python-version: 3.x
       - name: Install Rust (rustup)
+        env:
+          SCCACHE_BUCKET: ${{ secrets.SCCACHE_BUCKET || '' }} # optional
         run: |
           curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
           source $HOME/.cargo/env
@@ -45,7 +47,7 @@ jobs:
           python -m pip install maturin
           maturin build --release --out dist --find-interpreter --target ${{ matrix.platform.target }}
       - name: Upload wheels
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v7
         with:
           name: wheels-linux-${{ matrix.platform.target }}
           path: dist