diff --git a/.github/workflows/scorecards.yml b/.github/workflows/scorecards.yml
index bba8f8a..87607af 100644
--- a/.github/workflows/scorecards.yml
+++ b/.github/workflows/scorecards.yml
@@ -50,7 +50,7 @@ jobs:
       # Upload the results as artifacts (optional). Commenting out will disable uploads of run results in SARIF
       # format to the repository Actions tab.
       - name: "Upload artifact"
-        uses: actions/upload-artifact@v4.3.0
+        uses: actions/upload-artifact@v4.3.1
         with:
           name: SARIF file
           path: results.sarif
diff --git a/src/Dto/Workbox.php b/src/Dto/Workbox.php
index 0308428..945f8b8 100644
--- a/src/Dto/Workbox.php
+++ b/src/Dto/Workbox.php
@@ -34,10 +34,10 @@ final class Workbox
     public null|Url $pageFallback = null;
 
     #[SerializedName('image_fallback')]
-    public null|Url $imageFallback = null;
+    public null|Asset $imageFallback = null;
 
     #[SerializedName('font_fallback')]
-    public null|Url $fontFallback = null;
+    public null|Asset $fontFallback = null;
 
     /**
      * @var array<Url>