diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f6e8780..68e4bc7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -31,7 +31,12 @@ jobs:
       run: cargo tarpaulin --out Xml --features "intel-mkl-static, serialization"
     - name: Upload coverage to Codecov
       if: matrix.os == 'ubuntu-latest' && matrix.rust == 'stable'
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
+      env:
+        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+      with:
+        files: ./tarpaulin-report.xml
+        fail_ci_if_error: true
 
   check:
     runs-on: ubuntu-latest