diff --git a/package.json b/package.json
index b1b6108..bb52c44 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "assemblyai",
-  "version": "4.25.0",
+  "version": "4.25.1",
   "description": "The AssemblyAI JavaScript SDK provides an easy-to-use interface for interacting with the AssemblyAI API, which supports async and real-time transcription, as well as the latest LeMUR models.",
   "engines": {
     "node": ">=18"
diff --git a/src/services/streaming/service.ts b/src/services/streaming/service.ts
index 0955a52..8012915 100644
--- a/src/services/streaming/service.ts
+++ b/src/services/streaming/service.ts
@@ -246,6 +246,10 @@ Learn more at https://github.com/AssemblyAI/assemblyai-node-sdk/blob/main/docs/c
             this.listeners.turn?.(message);
             break;
           }
+          case "SpeechStarted": {
+            this.listeners.speechStarted?.(message);
+            break;
+          }
           case "Termination": {
             this.sessionTerminatedResolve?.();
             break;
diff --git a/src/types/streaming/index.ts b/src/types/streaming/index.ts
index d37f59b..953ef28 100644
--- a/src/types/streaming/index.ts
+++ b/src/types/streaming/index.ts
@@ -26,12 +26,18 @@ export type StreamingTranscriberParams = {
   maxSpeakers?: number;
 };
 
-export type StreamingEvents = "open" | "close" | "turn" | "error";
+export type StreamingEvents =
+  | "open"
+  | "close"
+  | "turn"
+  | "speechStarted"
+  | "error";
 
 export type StreamingListeners = {
   open?: (event: BeginEvent) => void;
   close?: (code: number, reason: string) => void;
   turn?: (event: TurnEvent) => void;
+  speechStarted?: (event: SpeechStartedEvent) => void;
   error?: (error: Error) => void;
 };
 
@@ -59,6 +65,11 @@ export type BeginEvent = {
   expires_at: number;
 };
 
+export type SpeechStartedEvent = {
+  type: "SpeechStarted";
+  timestamp: number;
+};
+
 export type TurnEvent = {
   type: "Turn";
   turn_order: number;
@@ -117,6 +128,7 @@ export type ErrorEvent = {
 export type StreamingEventMessage =
   | BeginEvent
   | TurnEvent
+  | SpeechStartedEvent
   | TerminationEvent
   | ErrorEvent;