diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index db36e4bc..ffbf185d 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,5 +1,5 @@
 {
-  ".": "0.28.0",
+  ".": "0.28.1",
   "packages/vertex-sdk": "0.4.2",
   "packages/bedrock-sdk": "0.10.3"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 104810fb..d8b98baa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,20 @@
 # Changelog
 
+## 0.28.1 (2024-10-08)
+
+Full Changelog: [sdk-v0.28.0...sdk-v0.28.1](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.28.0...sdk-v0.28.1)
+
+### Chores
+
+* **internal:** move LineDecoder to a separate file ([#541](https://github.com/anthropics/anthropic-sdk-typescript/issues/541)) ([fd42469](https://github.com/anthropics/anthropic-sdk-typescript/commit/fd4246928d11347147955ca19efcd4c5b0accb10))
+
+
+### Refactors
+
+* **types:** improve metadata types ([#546](https://github.com/anthropics/anthropic-sdk-typescript/issues/546)) ([3fe538b](https://github.com/anthropics/anthropic-sdk-typescript/commit/3fe538bb8cd50e6d68cacc0846f287dc539238d3))
+* **types:** improve tool type names ([#543](https://github.com/anthropics/anthropic-sdk-typescript/issues/543)) ([18dbe77](https://github.com/anthropics/anthropic-sdk-typescript/commit/18dbe7773781eb3917c9609bf490b515d75e6841))
+* **types:** improve tool type names ([#544](https://github.com/anthropics/anthropic-sdk-typescript/issues/544)) ([fc2d823](https://github.com/anthropics/anthropic-sdk-typescript/commit/fc2d8230c6fb68e247743ffa82c3ba9f8b989adf))
+
 ## 0.28.0 (2024-10-04)
 
 Full Changelog: [sdk-v0.27.3...sdk-v0.28.0](https://github.com/anthropics/anthropic-sdk-typescript/compare/sdk-v0.27.3...sdk-v0.28.0)
diff --git a/package.json b/package.json
index e3b67db5..e82997d0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@anthropic-ai/sdk",
-  "version": "0.28.0",
+  "version": "0.28.1",
   "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 2593fcb6..72e720cc 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 "0.28.0"
+  version "0.28.1"
   # 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 e405f5e3..af856167 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 "0.28.0"
+  version "0.28.1"
   # x-release-please-end-version
   dependencies:
     "@types/node" "^18.11.18"
diff --git a/src/version.ts b/src/version.ts
index 3e76cc42..96229228 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '0.28.0'; // x-release-please-version
+export const VERSION = '0.28.1'; // x-release-please-version