diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 699c6d9..98445a7 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -31,7 +31,8 @@ jobs:
         run: cargo llvm-cov --all-features --workspace --lcov --output-path lcov.info
 
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           files: lcov.info
           fail_ci_if_error: true
+          token: ${{ secrets.CODECOV_TOKEN }}