diff --git a/crates/js-sys/CHANGELOG.md b/crates/js-sys/CHANGELOG.md
index 5a4de395eeb..c93b5c76b4b 100644
--- a/crates/js-sys/CHANGELOG.md
+++ b/crates/js-sys/CHANGELOG.md
@@ -1,6 +1,12 @@
 # `js-sys` Change Log
 
 --------------------------------------------------------------------------------
+## Unreleased
+
+### Changed
+
+* Added `options` parameter to `Date.to_local_time_string` 
+  [#4384](https://github.com/rustwasm/wasm-bindgen/pull/4384)
 
 ## 0.2.1
 
diff --git a/crates/js-sys/src/lib.rs b/crates/js-sys/src/lib.rs
index 459e4d93953..d0ead3a4cb5 100644
--- a/crates/js-sys/src/lib.rs
+++ b/crates/js-sys/src/lib.rs
@@ -3390,7 +3390,7 @@ extern "C" {
     ///
     /// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toLocaleTimeString)
     #[wasm_bindgen(method, js_name = toLocaleTimeString)]
-    pub fn to_locale_time_string(this: &Date, locale: &str) -> JsString;
+    pub fn to_locale_time_string(this: &Date, locale: &str, options: &JsValue) -> JsString;
 
     /// The `toString()` method returns a string representing
     /// the specified Date object.
diff --git a/crates/js-sys/tests/wasm/Date.rs b/crates/js-sys/tests/wasm/Date.rs
index 484498d4739..0a224093e56 100644
--- a/crates/js-sys/tests/wasm/Date.rs
+++ b/crates/js-sys/tests/wasm/Date.rs
@@ -484,7 +484,7 @@ fn to_locale_string() {
 fn to_locale_time_string() {
     let date = Date::new(&"August 19, 1975 23:15:30".into());
     assert_eq!(
-        JsValue::from(date.to_locale_time_string("en-US")),
+        JsValue::from(date.to_locale_time_string("en-US", &JsValue::undefined())),
         "11:15:30 PM",
     );
 }