diff --git a/python/mozbuild/mozbuild/vendor/vendor_rust.py b/python/mozbuild/mozbuild/vendor/vendor_rust.py
index 9a7980fa20c0..bfca84d12caa 100644
--- a/python/mozbuild/mozbuild/vendor/vendor_rust.py
+++ b/python/mozbuild/mozbuild/vendor/vendor_rust.py
@@ -312,7 +312,7 @@ Please commit or stash these changes before vendoring, or re-run with `--ignore-
     # define the SHA256 once here, to make the review process easier as new
     # ICU4X crates are vendored into the tree.
     ICU4X_LICENSE_SHA256 = (
-        "02420cc1b4c26d9a3318d60fd57048d015831249a5b776a1ada75cd227e78630"
+        "853f87c96f3d249f200fec6db1114427bc8bdf4afddc93c576956d78152ce978"
     )
 
     # This whitelist should only be used for packages that use a
@@ -329,9 +329,23 @@ Please commit or stash these changes before vendoring, or re-run with `--ignore-
         # we're whitelisting this fuchsia crate because it doesn't get built in the final
         # product but has a license-file that needs ignoring
         "fuchsia-cprng": "03b114f53e6587a398931762ee11e2395bfdba252a329940e2c8c9e81813845b",
-        # Old ICU4X crates for ICU4X 1.0, see comment above.
+        # ICU4X uses Unicode v3 license
+        "icu_collections": ICU4X_LICENSE_SHA256,
+        "icu_locid": ICU4X_LICENSE_SHA256,
+        "icu_locid_transform": ICU4X_LICENSE_SHA256,
+        "icu_provider": ICU4X_LICENSE_SHA256,
+        "icu_provider_adapters": ICU4X_LICENSE_SHA256,
+        "icu_provider_macros": ICU4X_LICENSE_SHA256,
+        "icu_segmenter": ICU4X_LICENSE_SHA256,
+        "litemap": ICU4X_LICENSE_SHA256,
+        "tinystr": ICU4X_LICENSE_SHA256,
+        "writeable": ICU4X_LICENSE_SHA256,
+        "yoke": ICU4X_LICENSE_SHA256,
         "yoke-derive": ICU4X_LICENSE_SHA256,
+        "zerofrom": ICU4X_LICENSE_SHA256,
         "zerofrom-derive": ICU4X_LICENSE_SHA256,
+        "zerovec": ICU4X_LICENSE_SHA256,
+        "zerovec-derive": ICU4X_LICENSE_SHA256,
     }
 
     @staticmethod