diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5f5b06e..fe097b6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -36,6 +36,7 @@ jobs:
           -ignore-filename-regex="\/Benchmarks\/" \
           -instr-profile .build/debug/codecov/default.profdata > info.lcov
     - name: Upload to codecov.io
-      uses: codecov/codecov-action@v5
+      uses: codecov/codecov-action@v4
       with:
         files: info.lcov
+        token: ${{ secrets.CODECOV_TOKEN }}