diff --git a/package.json b/package.json
index 8f5f6f7a..e8b09eac 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@anthropic-ai/sdk",
-  "version": "0.4.2",
+  "version": "0.4.3",
   "description": "Library for accessing the Anthropic API",
   "repository": "https://github.com/anthropics/anthropic-sdk-typescript",
   "license": "MIT",
diff --git a/src/index.ts b/src/index.ts
index 505fecc4..c74dfebb 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -18,7 +18,7 @@ export type OnUpdate = (completion: CompletionResponse) => void | Promise<void>;
 export const HUMAN_PROMPT = "\n\nHuman:";
 export const AI_PROMPT = "\n\nAssistant:";
 
-const CLIENT_ID = "anthropic-typescript/0.4.2";
+const CLIENT_ID = "anthropic-typescript/0.4.3";
 const DEFAULT_API_URL = "https://api.anthropic.com";
 
 enum Event {