diff --git a/.github/workflows/npm-publish.yml b/.github/workflows/npm-publish.yml
index 3714f85..44d3bea 100644
--- a/.github/workflows/npm-publish.yml
+++ b/.github/workflows/npm-publish.yml
@@ -10,15 +10,15 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Use Node.js 20.x
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: 20.x
 
       - name: Cache node modules
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         env:
           cache-name: cache-node-modules
         with:
diff --git a/.github/workflows/unit_test_coverage.yml b/.github/workflows/unit_test_coverage.yml
index 636d273..bb1031c 100644
--- a/.github/workflows/unit_test_coverage.yml
+++ b/.github/workflows/unit_test_coverage.yml
@@ -21,15 +21,15 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Use Node.js 20.x
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: 20.x
 
       - name: Cache node modules
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         env:
           cache-name: cache-node-modules
         with:
@@ -56,7 +56,7 @@ jobs:
         run: npm run-script coverage
 
       - name: Store the coverage report as an artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: coverage
           path: coverage/lcov.info
@@ -67,7 +67,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download coverage artifact
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: coverage
 
@@ -83,14 +83,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Download coverage artifact
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: coverage
 
       - name: Upload code coverage to Codecov
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           file: lcov.info
           fail_ci_if_error: true
+          token: ${{ secrets.CODECOV_TOKEN }} # required