diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 2aa2f44..37dcdc8 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -166,7 +166,7 @@ jobs:
       - name: Generate code coverage
         run: cargo install cargo-tarpaulin && cargo tarpaulin --verbose --all-features --workspace --timeout 120 --out xml
       - name: Upload to codecov.io
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           # token:                ${{secrets.CODECOV_TOKEN}} # not required for public repos
           token:                  ${{ secrets.CODECOV_TOKEN }}