diff --git a/.github/workflows/php-cs-stan-unit.yml b/.github/workflows/php-cs-stan-unit.yml
index 21f0406..85c59c8 100644
--- a/.github/workflows/php-cs-stan-unit.yml
+++ b/.github/workflows/php-cs-stan-unit.yml
@@ -178,7 +178,7 @@ jobs:
           filename: '${{ env.FILE_PREFIX }}-clover.xml'
 
       - name: 'Export coverage results'
-        uses: 'codecov/codecov-action@v5'
+        uses: 'codecov/codecov-action@v6'
         with:
           token: ${{ secrets.CODECOV_TOKEN }} # required
           files: './${{ env.FILE_PREFIX }}-clover.xml'
diff --git a/.github/workflows/php-unit.yml b/.github/workflows/php-unit.yml
index 835c6a2..4c53313 100644
--- a/.github/workflows/php-unit.yml
+++ b/.github/workflows/php-unit.yml
@@ -111,7 +111,7 @@ jobs:
           filename: '${{ env.FILE_PREFIX }}-clover.xml'
 
       - name: 'Export coverage results'
-        uses: 'codecov/codecov-action@v5'
+        uses: 'codecov/codecov-action@v6'
         with:
           token: ${{ secrets.CODECOV_TOKEN }} # required
           files: './${{ env.FILE_PREFIX }}-clover.xml'