diff --git a/tests/wpt/mozilla/meta/MANIFEST.json b/tests/wpt/mozilla/meta/MANIFEST.json
index eaaf5ea3c94..662740e9f0b 100644
--- a/tests/wpt/mozilla/meta/MANIFEST.json
+++ b/tests/wpt/mozilla/meta/MANIFEST.json
@@ -20454,7 +20454,7 @@
    "testharness"
   ],
   "mozilla/partial_shadow_dom.html": [
-   "d97f1422d20161e989f200d44be6e379f79410bd",
+   "74e308f94036a6dbf5c4223cd3d229f49ffceb4e",
    "testharness"
   ],
   "mozilla/partial_shadow_dom_layout_style.html": [