diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 3200ca75e..66ff287b5 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "4.26.1"
+  ".": "4.27.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1b3d876f2..42bc43a99 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,19 @@
 # Changelog
 
+## 4.27.0 (2024-02-08)
+
+Full Changelog: [v4.26.1...v4.27.0](https://github.com/openai/openai-node/compare/v4.26.1...v4.27.0)
+
+### Features
+
+* **api:** add `timestamp_granularities`, add `gpt-3.5-turbo-0125` model ([#661](https://github.com/openai/openai-node/issues/661)) ([5016806](https://github.com/openai/openai-node/commit/50168066862f66b529bae29f4564741300303246))
+
+
+### Chores
+
+* **internal:** fix retry mechanism for ecosystem-test ([#663](https://github.com/openai/openai-node/issues/663)) ([0eb7ed5](https://github.com/openai/openai-node/commit/0eb7ed5ca3f7c7b29c316fc7d725d834cee73989))
+* respect `application/vnd.api+json` content-type header ([#664](https://github.com/openai/openai-node/issues/664)) ([f4fad54](https://github.com/openai/openai-node/commit/f4fad549c5c366d8dd8b936b7699639b895e82a1))
+
 ## 4.26.1 (2024-02-05)
 
 Full Changelog: [v4.26.0...v4.26.1](https://github.com/openai/openai-node/compare/v4.26.0...v4.26.1)
diff --git a/README.md b/README.md
index a8fcd3679..cb5d6f3ea 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ You can import in Deno via:
 <!-- x-release-please-start-version -->
 
 ```ts
-import OpenAI from 'https://deno.land/x/openai@v4.26.1/mod.ts';
+import OpenAI from 'https://deno.land/x/openai@v4.27.0/mod.ts';
 ```
 
 <!-- x-release-please-end -->
diff --git a/build-deno b/build-deno
index 11e308a3e..3c928a831 100755
--- a/build-deno
+++ b/build-deno
@@ -14,7 +14,7 @@ This is a build produced from https://github.com/openai/openai-node – please g
 Usage:
 
 \`\`\`ts
-import OpenAI from "https://deno.land/x/openai@v4.26.1/mod.ts";
+import OpenAI from "https://deno.land/x/openai@v4.27.0/mod.ts";
 
 const client = new OpenAI();
 \`\`\`
diff --git a/package.json b/package.json
index 842aef862..b4ca2f388 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openai",
-  "version": "4.26.1",
+  "version": "4.27.0",
   "description": "The official TypeScript library for the OpenAI API",
   "author": "OpenAI <support@openai.com>",
   "types": "dist/index.d.ts",
diff --git a/src/version.ts b/src/version.ts
index 085c0b0ee..c7359cde3 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '4.26.1'; // x-release-please-version
+export const VERSION = '4.27.0'; // x-release-please-version