diff --git a/deps/crates/Cargo.lock b/deps/crates/Cargo.lock
index 7ae5240fdbed26..f8f6913c843a4d 100644
--- a/deps/crates/Cargo.lock
+++ b/deps/crates/Cargo.lock
@@ -243,8 +243,6 @@ dependencies = [
 [[package]]
 name = "resb"
 version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a067ab3b5ca3b4dc307d0de9cf75f9f5e6ca9717b192b2f28a36c83e5de9e76"
 dependencies = [
  "potential_utf",
  "serde_core",
diff --git a/deps/crates/Cargo.toml b/deps/crates/Cargo.toml
index ee208c16db1f2b..8c6224e0ed5f64 100644
--- a/deps/crates/Cargo.toml
+++ b/deps/crates/Cargo.toml
@@ -30,3 +30,7 @@ version = "=0.1.0"
 default-features = false
 # This is necessary to enable a spec-compliance quirk when upgrading to v0.1.2
 # features = ["float64_representable_durations"]
+
+[patch.crates-io]
+# Float https://github.com/unicode-org/icu4x/pull/7658 until crate is updated.
+resb = { path="patches/resb" }
diff --git a/deps/crates/vendor/resb/.cargo-checksum.json b/deps/crates/patches/resb/.cargo-checksum.json
similarity index 100%
rename from deps/crates/vendor/resb/.cargo-checksum.json
rename to deps/crates/patches/resb/.cargo-checksum.json
diff --git a/deps/crates/vendor/resb/Cargo.lock b/deps/crates/patches/resb/Cargo.lock
similarity index 100%
rename from deps/crates/vendor/resb/Cargo.lock
rename to deps/crates/patches/resb/Cargo.lock
diff --git a/deps/crates/vendor/resb/Cargo.toml b/deps/crates/patches/resb/Cargo.toml
similarity index 100%
rename from deps/crates/vendor/resb/Cargo.toml
rename to deps/crates/patches/resb/Cargo.toml
diff --git a/deps/crates/vendor/resb/LICENSE b/deps/crates/patches/resb/LICENSE
similarity index 100%
rename from deps/crates/vendor/resb/LICENSE
rename to deps/crates/patches/resb/LICENSE
diff --git a/deps/crates/vendor/resb/README.md b/deps/crates/patches/resb/README.md
similarity index 100%
rename from deps/crates/vendor/resb/README.md
rename to deps/crates/patches/resb/README.md
diff --git a/deps/crates/vendor/resb/examples/data/zoneinfo64.res b/deps/crates/patches/resb/examples/data/zoneinfo64.res
similarity index 100%
rename from deps/crates/vendor/resb/examples/data/zoneinfo64.res
rename to deps/crates/patches/resb/examples/data/zoneinfo64.res
diff --git a/deps/crates/vendor/resb/examples/data/zoneinfo64.txt b/deps/crates/patches/resb/examples/data/zoneinfo64.txt
similarity index 100%
rename from deps/crates/vendor/resb/examples/data/zoneinfo64.txt
rename to deps/crates/patches/resb/examples/data/zoneinfo64.txt
diff --git a/deps/crates/vendor/resb/examples/genrb.rs b/deps/crates/patches/resb/examples/genrb.rs
similarity index 100%
rename from deps/crates/vendor/resb/examples/genrb.rs
rename to deps/crates/patches/resb/examples/genrb.rs
diff --git a/deps/crates/vendor/resb/src/binary.rs b/deps/crates/patches/resb/src/binary.rs
similarity index 99%
rename from deps/crates/vendor/resb/src/binary.rs
rename to deps/crates/patches/resb/src/binary.rs
index 5269bbd28c9808..fd9081fbe065f3 100644
--- a/deps/crates/vendor/resb/src/binary.rs
+++ b/deps/crates/patches/resb/src/binary.rs
@@ -473,7 +473,7 @@ fn read_u16(input: &[u8]) -> Result<(u16, &[u8]), BinaryDeserializerError> {
     let bytes = get_subslice(input, ..core::mem::size_of::<u16>())?
         .try_into()
         .unwrap();
-    let value = u16::from_le_bytes(bytes);
+    let value = u16::from_ne_bytes(bytes);
 
     let rest = get_subslice(input, core::mem::size_of::<u16>()..)?;
     Ok((value, rest))
diff --git a/deps/crates/vendor/resb/src/binary/deserializer.rs b/deps/crates/patches/resb/src/binary/deserializer.rs
similarity index 99%
rename from deps/crates/vendor/resb/src/binary/deserializer.rs
rename to deps/crates/patches/resb/src/binary/deserializer.rs
index d52f568146013b..c533e67d509c4e 100644
--- a/deps/crates/vendor/resb/src/binary/deserializer.rs
+++ b/deps/crates/patches/resb/src/binary/deserializer.rs
@@ -23,6 +23,11 @@ const SYSTEM_CHARSET_FAMILY: CharsetFamily = CharsetFamily::Ascii;
 
 /// Deserializes an instance of type `T` from bytes representing a binary ICU
 /// resource bundle.
+///
+/// The input data must be in the platform's native endianness. ICU4C resource
+/// bundles such as `zoneinfo64.res` are generated in both little endian and
+/// big endian formats; callers must ensure the appropriate format is provided
+/// for the target platform.
 pub fn from_words<'a, T>(input: &'a [u32]) -> Result<T, BinaryDeserializerError>
 where
     T: Deserialize<'a>,
@@ -142,7 +147,7 @@ impl<'de> ResourceTreeDeserializer<'de> {
                 ))
             }
         };
-        let descriptor = u32::from_le_bytes(descriptor);
+        let descriptor = u32::from_ne_bytes(descriptor);
 
         ResDescriptor::try_from(descriptor)
     }
@@ -887,7 +892,7 @@ impl<'de> Resource16BitDeserializer<'de> {
             // exactly 2 bytes.
             #[expect(clippy::unwrap_used)]
             let bytes = <[u8; 2]>::try_from(bytes).unwrap();
-            u16::from_le_bytes(bytes)
+            u16::from_ne_bytes(bytes)
         });
 
         char::decode_utf16(units)
@@ -1255,7 +1260,7 @@ fn read_u32(input: &[u8]) -> Result<(u32, &[u8]), BinaryDeserializerError> {
         ))?
         .try_into()
         .unwrap();
-    let value = u32::from_le_bytes(bytes);
+    let value = u32::from_ne_bytes(bytes);
 
     let rest =
         input
diff --git a/deps/crates/vendor/resb/src/binary/header.rs b/deps/crates/patches/resb/src/binary/header.rs
similarity index 95%
rename from deps/crates/vendor/resb/src/binary/header.rs
rename to deps/crates/patches/resb/src/binary/header.rs
index be776f404ea86d..b8518fce9cea2b 100644
--- a/deps/crates/vendor/resb/src/binary/header.rs
+++ b/deps/crates/patches/resb/src/binary/header.rs
@@ -113,11 +113,8 @@ impl TryFrom<&[u8]> for BinReprInfo {
         let (size, value) = read_u16(value)?;
         let (reserved_word, value) = read_u16(value)?;
 
-        // While the consumer is responsible for verifying acceptability of most
-        // contents of the repr info, we explicitly depend on little endian data
-        // in order to ensure compatibility with `zerovec`.
         let (endianness, value) = (Endianness::try_from(value[0])?, &value[1..]);
-        if endianness != Endianness::Little {
+        if (endianness == Endianness::Little) != cfg!(target_endian = "little") {
             return Err(BinaryDeserializerError::unsupported_format(
                 "big-endian bundles are not supported",
             ));
diff --git a/deps/crates/vendor/resb/src/binary/helpers.rs b/deps/crates/patches/resb/src/binary/helpers.rs
similarity index 100%
rename from deps/crates/vendor/resb/src/binary/helpers.rs
rename to deps/crates/patches/resb/src/binary/helpers.rs
diff --git a/deps/crates/vendor/resb/src/binary/serializer.rs b/deps/crates/patches/resb/src/binary/serializer.rs
similarity index 100%
rename from deps/crates/vendor/resb/src/binary/serializer.rs
rename to deps/crates/patches/resb/src/binary/serializer.rs
diff --git a/deps/crates/vendor/resb/src/bundle.rs b/deps/crates/patches/resb/src/bundle.rs
similarity index 100%
rename from deps/crates/vendor/resb/src/bundle.rs
rename to deps/crates/patches/resb/src/bundle.rs
diff --git a/deps/crates/vendor/resb/src/lib.rs b/deps/crates/patches/resb/src/lib.rs
similarity index 100%
rename from deps/crates/vendor/resb/src/lib.rs
rename to deps/crates/patches/resb/src/lib.rs
diff --git a/deps/crates/vendor/resb/src/text.rs b/deps/crates/patches/resb/src/text.rs
similarity index 100%
rename from deps/crates/vendor/resb/src/text.rs
rename to deps/crates/patches/resb/src/text.rs
diff --git a/deps/crates/vendor/resb/src/text/reader.rs b/deps/crates/patches/resb/src/text/reader.rs
similarity index 100%
rename from deps/crates/vendor/resb/src/text/reader.rs
rename to deps/crates/patches/resb/src/text/reader.rs
diff --git a/deps/crates/vendor/resb/src/text/reader/parse_state.rs b/deps/crates/patches/resb/src/text/reader/parse_state.rs
similarity index 100%
rename from deps/crates/vendor/resb/src/text/reader/parse_state.rs
rename to deps/crates/patches/resb/src/text/reader/parse_state.rs