diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 08a8c70cf..0eebf4fc3 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "5.9.1"
+  ".": "5.9.2"
 }
diff --git a/.stats.yml b/.stats.yml
index 12a179baf..571b0ee79 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 111
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai%2Fopenai-82fd6fcb3eea81cbbe09a6f831c82219f1251e1b76474b4c41f424bf277e6a71.yml
-openapi_spec_hash: c8d54bd1ae3d704f6b6f72ffd2f876d8
-config_hash: 3315d58b60faf63b1bee251b81837cda
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/openai%2Fopenai-c7dacca97e28bceff218684bb429481a70aa47aadad983ed9178bfda75ff4cd2.yml
+openapi_spec_hash: 28eb1bb901ca10d2e37db4606d2bcfa7
+config_hash: 167ad0ca036d0f023c78e6496b4311e8
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 641221214..087c0abc5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## 5.9.2 (2025-07-15)
+
+Full Changelog: [v5.9.1...v5.9.2](https://github.com/openai/openai-node/compare/v5.9.1...v5.9.2)
+
+### Chores
+
+* **api:** update realtime specs ([4a20a3d](https://github.com/openai/openai-node/commit/4a20a3da8319667540a7b120f0f94e253420058e))
+* **internal:** version bump ([103e8de](https://github.com/openai/openai-node/commit/103e8def71408724fb37104cfcb9419e01022f24))
+
 ## 5.9.1 (2025-07-15)
 
 Full Changelog: [v5.9.0...v5.9.1](https://github.com/openai/openai-node/compare/v5.9.0...v5.9.1)
diff --git a/jsr.json b/jsr.json
index 705b34398..739fd370b 100644
--- a/jsr.json
+++ b/jsr.json
@@ -1,6 +1,6 @@
 {
   "name": "@openai/openai",
-  "version": "5.9.1",
+  "version": "5.9.2",
   "exports": {
     ".": "./index.ts",
     "./helpers/zod": "./helpers/zod.ts",
diff --git a/package.json b/package.json
index 515e53826..61159782a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "openai",
-  "version": "5.9.1",
+  "version": "5.9.2",
   "description": "The official TypeScript library for the OpenAI API",
   "author": "OpenAI <support@openai.com>",
   "types": "dist/index.d.ts",
diff --git a/src/resources/beta/realtime/realtime.ts b/src/resources/beta/realtime/realtime.ts
index b27786154..5e70bd2d3 100644
--- a/src/resources/beta/realtime/realtime.ts
+++ b/src/resources/beta/realtime/realtime.ts
@@ -145,14 +145,15 @@ export interface ConversationItemContent {
   text?: string;
 
   /**
-   * The transcript of the audio, used for `input_audio` content type.
+   * The transcript of the audio, used for `input_audio` and `audio` content types.
    */
   transcript?: string;
 
   /**
-   * The content type (`input_text`, `input_audio`, `item_reference`, `text`).
+   * The content type (`input_text`, `input_audio`, `item_reference`, `text`,
+   * `audio`).
    */
-  type?: 'input_text' | 'input_audio' | 'item_reference' | 'text';
+  type?: 'input_text' | 'input_audio' | 'item_reference' | 'text' | 'audio';
 }
 
 /**
@@ -659,7 +660,7 @@ export interface ConversationItemWithReference {
    * - Message items of role `user` support `input_text` and `input_audio` content
    * - Message items of role `assistant` support `text` content.
    */
-  content?: Array<ConversationItemContent>;
+  content?: Array<ConversationItemWithReference.Content>;
 
   /**
    * The name of the function being called (for `function_call` items).
@@ -696,6 +697,37 @@ export interface ConversationItemWithReference {
   type?: 'message' | 'function_call' | 'function_call_output' | 'item_reference';
 }
 
+export namespace ConversationItemWithReference {
+  export interface Content {
+    /**
+     * ID of a previous conversation item to reference (for `item_reference` content
+     * types in `response.create` events). These can reference both client and server
+     * created items.
+     */
+    id?: string;
+
+    /**
+     * Base64-encoded audio bytes, used for `input_audio` content type.
+     */
+    audio?: string;
+
+    /**
+     * The text content, used for `input_text` and `text` content types.
+     */
+    text?: string;
+
+    /**
+     * The transcript of the audio, used for `input_audio` content type.
+     */
+    transcript?: string;
+
+    /**
+     * The content type (`input_text`, `input_audio`, `item_reference`, `text`).
+     */
+    type?: 'input_text' | 'input_audio' | 'item_reference' | 'text';
+  }
+}
+
 /**
  * Returned when an error occurs, which could be a client problem or a server
  * problem. Most errors are recoverable and the session will stay open, we
diff --git a/src/version.ts b/src/version.ts
index 66c00f739..75035c60e 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '5.9.1'; // x-release-please-version
+export const VERSION = '5.9.2'; // x-release-please-version