diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8e8e9e6..b32ca9c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -22,4 +22,6 @@ jobs:
     - name: Run tests
       run: go test -race -v -coverprofile=coverage.txt .
     - name: Upload coverage to codecov.io
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
+      env:
+        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}