diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 445b6a7..ffa9b75 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -37,6 +37,7 @@ jobs:
       - name: Collect coverage data
         run: cargo llvm-cov --locked --all-features --workspace --lcov --output-path lcov.info
       - name: Upload to codecov.io
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
+          token: ${{ secrets.CODECOV_TOKEN }}
           fail_ci_if_error: true