diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index e85cb773..2053c67b 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,5 +1,5 @@
 {
-  ".": "0.33.0",
-  "packages/vertex-sdk": "0.6.0",
+  ".": "0.33.1",
+  "packages/vertex-sdk": "0.6.1",
   "packages/bedrock-sdk": "0.12.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3b5dbce5..a1a57c52 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,18 @@
 # Changelog
 
+## 0.33.1 (2024-12-17)
+
+Full Changelog: [sdk-v0.33.0...sdk-v0.33.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.33.0...sdk-v0.33.1)
+
+### Bug Fixes
+
+* **vertex:** remove `anthropic_version` deletion for token counting ([88221be](https://github.com/anthropics/anthropic-sdk-typescript/commit/88221be305d6e13ccf92e6e9cdb00daba45b57db))
+
+
+### Chores
+
+* **internal:** fix some typos ([#633](https://github.com/anthropics/anthropic-sdk-typescript/issues/633)) ([a0298f5](https://github.com/anthropics/anthropic-sdk-typescript/commit/a0298f5f67b8ecd25de416dbb3eada68b86befd7))
+
 ## 0.33.0 (2024-12-17)
 
 Full Changelog: [sdk-v0.32.1...sdk-v0.33.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.32.1...sdk-v0.33.0)
diff --git a/package.json b/package.json
index 62177857..d8f88f57 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@anthropic-ai/sdk",
-  "version": "0.33.0",
+  "version": "0.33.1",
   "description": "The official TypeScript library for the Anthropic API",
   "author": "Anthropic <support@anthropic.com>",
   "types": "dist/index.d.ts",
diff --git a/packages/bedrock-sdk/yarn.lock b/packages/bedrock-sdk/yarn.lock
index b8a63d7f..097d5605 100644
--- a/packages/bedrock-sdk/yarn.lock
+++ b/packages/bedrock-sdk/yarn.lock
@@ -17,7 +17,7 @@
 
 "@anthropic-ai/sdk@file:../../dist":
   # x-release-please-start-version
-  version "0.33.0"
+  version "0.33.1"
   # x-release-please-end-version
   dependencies:
     "@types/node" "^18.11.18"
diff --git a/packages/vertex-sdk/CHANGELOG.md b/packages/vertex-sdk/CHANGELOG.md
index e810d414..94191164 100644
--- a/packages/vertex-sdk/CHANGELOG.md
+++ b/packages/vertex-sdk/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.6.1 (2024-12-17)
+
+Full Changelog: [vertex-sdk-v0.6.0...vertex-sdk-v0.6.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/vertex-sdk-v0.6.0...vertex-sdk-v0.6.1)
+
+### Bug Fixes
+
+* **vertex:** remove `anthropic_version` deletion for token counting ([88221be](https://github.com/anthropics/anthropic-sdk-typescript/commit/88221be305d6e13ccf92e6e9cdb00daba45b57db))
+
 ## 0.6.0 (2024-12-17)
 
 Full Changelog: [vertex-sdk-v0.5.2...vertex-sdk-v0.6.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/vertex-sdk-v0.5.2...vertex-sdk-v0.6.0)
diff --git a/packages/vertex-sdk/package.json b/packages/vertex-sdk/package.json
index 6defba6c..43fc356d 100644
--- a/packages/vertex-sdk/package.json
+++ b/packages/vertex-sdk/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@anthropic-ai/vertex-sdk",
-  "version": "0.6.0",
+  "version": "0.6.1",
   "description": "The official TypeScript library for the Anthropic Vertex API",
   "author": "Anthropic <support@anthropic.com>",
   "types": "dist/index.d.ts",
diff --git a/packages/vertex-sdk/src/client.ts b/packages/vertex-sdk/src/client.ts
index 2ef21821..f1046455 100644
--- a/packages/vertex-sdk/src/client.ts
+++ b/packages/vertex-sdk/src/client.ts
@@ -157,10 +157,6 @@ export class AnthropicVertex extends Core.APIClient {
         );
       }
 
-      if (Core.isObj(options.body)) {
-        options.body['anthropic_version'] = undefined;
-      }
-
       options.path = `/projects/${this.projectId}/locations/${this.region}/publishers/anthropic/models/count-tokens:rawPredict`;
     }
 
diff --git a/packages/vertex-sdk/yarn.lock b/packages/vertex-sdk/yarn.lock
index 623518d4..01fc2a7a 100644
--- a/packages/vertex-sdk/yarn.lock
+++ b/packages/vertex-sdk/yarn.lock
@@ -17,7 +17,7 @@
 
 "@anthropic-ai/sdk@file:../../dist":
   # x-release-please-start-version
-  version "0.33.0"
+  version "0.33.1"
   # x-release-please-end-version
   dependencies:
     "@types/node" "^18.11.18"
diff --git a/src/core.ts b/src/core.ts
index 1ee74d2c..ea8d8dca 100644
--- a/src/core.ts
+++ b/src/core.ts
@@ -197,7 +197,7 @@ export abstract class APIClient {
     maxRetries = 2,
     timeout = 600000, // 10 minutes
     httpAgent,
-    fetch: overridenFetch,
+    fetch: overriddenFetch,
   }: {
     baseURL: string;
     maxRetries?: number | undefined;
@@ -210,7 +210,7 @@ export abstract class APIClient {
     this.timeout = validatePositiveInteger('timeout', timeout);
     this.httpAgent = httpAgent;
 
-    this.fetch = overridenFetch ?? fetch;
+    this.fetch = overriddenFetch ?? fetch;
   }
 
   protected authHeaders(opts: FinalRequestOptions): Headers {
diff --git a/src/version.ts b/src/version.ts
index dc173dd4..4a46c186 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '0.33.0'; // x-release-please-version
+export const VERSION = '0.33.1'; // x-release-please-version
diff --git a/tests/index.test.ts b/tests/index.test.ts
index 0d4a6bba..b6398085 100644
--- a/tests/index.test.ts
+++ b/tests/index.test.ts
@@ -183,7 +183,7 @@ describe('instantiate client', () => {
     expect(client.apiKey).toBe('my-anthropic-api-key');
   });
 
-  test('with overriden environment variable arguments', () => {
+  test('with overridden environment variable arguments', () => {
     // set options via env var
     process.env['ANTHROPIC_API_KEY'] = 'another my-anthropic-api-key';
     const client = new Anthropic({ apiKey: 'my-anthropic-api-key' });