diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7530ffc..08a4410 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,6 +15,12 @@ jobs:
       - name: Run coverage
         run: go test -race -coverprofile=coverage.txt -covermode=atomic ./...
       - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v5
+        uses: codecov/codecov-action@v3
         with:
-          token: ${{ secrets.CODECOV_ORG_TOKEN }}
+          dry_run: true
+          token: ${{ secrets.CODECOV_TOKEN }}
+          verbose: true
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v3
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/calculator.go b/calculator.go
index 83d042d..4eb7dc6 100644
--- a/calculator.go
+++ b/calculator.go
@@ -2,7 +2,9 @@ package calculator
 
 import "errors"
 
+// comment
 func Add(x, y int) (int, error) {
+	// comment
 	return x + y, nil
 }