diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 99fdb1b6..cca4411b 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,5 +1,5 @@
 {
-  ".": "0.13.0",
+  ".": "0.13.1",
   "packages/vertex-sdk": "0.1.2",
   "packages/bedrock-sdk": "0.7.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3886777c..fa1d1090 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## 0.13.1 (2024-02-07)
+
+Full Changelog: [sdk-v0.13.0...sdk-v0.13.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.13.0...sdk-v0.13.1)
+
+### Chores
+
+* **internal:** reformat pacakge.json ([#284](https://github.com/anthropics/anthropic-sdk-typescript/issues/284)) ([3760c68](https://github.com/anthropics/anthropic-sdk-typescript/commit/3760c68f207b596261da336cbe62b4b84fb1763f))
+* respect `application/vnd.api+json` content-type header ([#286](https://github.com/anthropics/anthropic-sdk-typescript/issues/286)) ([daf0cae](https://github.com/anthropics/anthropic-sdk-typescript/commit/daf0cae6087580d61d4423e113259c8315c2b85a))
+
 ## 0.13.0 (2024-02-02)
 
 Full Changelog: [sdk-v0.12.8...sdk-v0.13.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.12.8...sdk-v0.13.0)
diff --git a/package.json b/package.json
index a9937b55..ba012029 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@anthropic-ai/sdk",
-  "version": "0.13.0",
+  "version": "0.13.1",
   "description": "The official TypeScript library for the Anthropic API",
   "author": "Anthropic <support@anthropic.com>",
   "types": "dist/index.d.ts",
@@ -9,7 +9,9 @@
   "repository": "github:anthropics/anthropic-sdk-typescript",
   "license": "MIT",
   "packageManager": "yarn@1.22.21",
-  "files": ["*"],
+  "files": [
+    "*"
+  ],
   "private": false,
   "scripts": {
     "test": "bin/check-test-server && yarn jest",
diff --git a/packages/bedrock-sdk/yarn.lock b/packages/bedrock-sdk/yarn.lock
index 47bda7d5..f9433ce3 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 "0.13.0"
+  version "0.13.1"
   # x-release-please-end-version
   dependencies:
     "@types/node" "^18.11.18"
diff --git a/packages/vertex-sdk/yarn.lock b/packages/vertex-sdk/yarn.lock
index b7416d9c..313c635b 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 "0.13.0"
+  version "0.13.1"
   # x-release-please-end-version
   dependencies:
     "@types/node" "^18.11.18"
diff --git a/src/version.ts b/src/version.ts
index 9d013cc2..c2bd17b8 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '0.13.0'; // x-release-please-version
+export const VERSION = '0.13.1'; // x-release-please-version