diff --git a/.github/workflows/tester.yml b/.github/workflows/tester.yml
index 4425b1c..3ef507b 100644
--- a/.github/workflows/tester.yml
+++ b/.github/workflows/tester.yml
@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        node-version: ["18", "20", "22"]
+        node-version: ["18", "20", "21"]
       fail-fast: false
     steps:
       - uses: actions/checkout@v4
@@ -58,3 +58,5 @@ jobs:
         uses: codecov/codecov-action@v4
         with:
           fail_ci_if_error: true
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}