diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 2053c67b..1c924e72 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,5 +1,5 @@
 {
-  ".": "0.33.1",
+  ".": "0.34.0-alpha.0",
   "packages/vertex-sdk": "0.6.1",
   "packages/bedrock-sdk": "0.12.0"
 }
diff --git a/package.json b/package.json
index b07a2f30..5504f094 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@anthropic-ai/sdk",
-  "version": "0.33.1",
+  "version": "0.34.0-alpha.0",
   "description": "The official TypeScript library for the Anthropic API",
   "author": "Anthropic <support@anthropic.com>",
   "types": "dist/index.d.ts",
diff --git a/src/version.ts b/src/version.ts
index 4a46c186..0ef4aa74 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '0.33.1'; // x-release-please-version
+export const VERSION = '0.34.0-alpha.0'; // x-release-please-version