diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fcdd51c..8c9cca4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -36,7 +36,7 @@ jobs:
         run: |
           cargo +nightly tarpaulin --verbose --all-features --workspace --timeout 120 --out xml
       - name: upload coverage
-        uses: codecov/codecov-action@v2
+        uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           fail_ci_if_error: true