diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 5934251e..2813cb97 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "4.28.4"
+  ".": "4.28.5"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68ebe376..5cfd6196 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## 4.28.5 (2024-02-29)
+
+Full Changelog: [v4.28.4...v4.28.5](https://github.com/openai/openai-node/compare/v4.28.4...v4.28.5)
+
+### Documentation
+
+* **contributing:** improve wording ([#696](https://github.com/openai/openai-node/issues/696)) ([940d569](https://github.com/openai/openai-node/commit/940d5695f4cacddbb58e3bfc50fec28c468c7e63))
+* **readme:** fix typo in custom fetch implementation ([#698](https://github.com/openai/openai-node/issues/698)) ([64041fd](https://github.com/openai/openai-node/commit/64041fd33da569eccae64afe4e50ee803017b20b))
+
 ## 4.28.4 (2024-02-28)
 
 Full Changelog: [v4.28.3...v4.28.4](https://github.com/openai/openai-node/compare/v4.28.3...v4.28.4)
diff --git a/README.md b/README.md
index 68d356f8..56fbac88 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@v4.28.4/mod.ts';
+import OpenAI from 'https://deno.land/x/openai@v4.28.5/mod.ts';
 ```
 
 <!-- x-release-please-end -->
diff --git a/build-deno b/build-deno
index 74d994d0..fb739cc5 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@v4.28.4/mod.ts";
+import OpenAI from "https://deno.land/x/openai@v4.28.5/mod.ts";
 
 const client = new OpenAI();
 \`\`\`
diff --git a/package.json b/package.json
index 65d6046f..d51c4ca9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openai",
-  "version": "4.28.4",
+  "version": "4.28.5",
   "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 9dd89406..516e764d 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '4.28.4'; // x-release-please-version
+export const VERSION = '4.28.5'; // x-release-please-version