diff --git a/.github/workflows/php-cs-stan-unit.yml b/.github/workflows/php-cs-stan-unit.yml
index d28d2b0..5fef2d2 100644
--- a/.github/workflows/php-cs-stan-unit.yml
+++ b/.github/workflows/php-cs-stan-unit.yml
@@ -164,8 +164,9 @@ jobs:
           filename: 'clover.xml'
 
       - name: 'Export coverage results'
-        uses: 'codecov/codecov-action@v3'
+        uses: 'codecov/codecov-action@v4'
         with:
+          token: ${{ secrets.CODECOV_TOKEN }} # required
           files: './clover.xml'
           env_vars: PHP_VERSION
 
diff --git a/.github/workflows/php-unit.yml b/.github/workflows/php-unit.yml
index f8e6487..35c079b 100644
--- a/.github/workflows/php-unit.yml
+++ b/.github/workflows/php-unit.yml
@@ -102,8 +102,9 @@ jobs:
           filename: 'clover.xml'
 
       - name: 'Export coverage results'
-        uses: 'codecov/codecov-action@v3'
+        uses: 'codecov/codecov-action@v4'
         with:
+          token: ${{ secrets.CODECOV_TOKEN }} # required
           files: './clover.xml'
           env_vars: PHP_VERSION