diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index df0c791..8e3d955 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.30.1"
+  ".": "0.31.0"
 }
diff --git a/.stats.yml b/.stats.yml
index d1807d0..93c6387 100644
--- a/.stats.yml
+++ b/.stats.yml
@@ -1,4 +1,4 @@
 configured_endpoints: 11
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/perplexity-ai/perplexity-6f1190943034b93890a9c218eea0630d4b0de4018e3ca97a48fb467bdcf0c5a2.yml
-openapi_spec_hash: 852b17614efb5895a656a42d5fa2f08a
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/perplexity-ai/perplexity-c9a4aa7e01c6335588f6d246f5bc498d70ab7164bb8b753c7e031086af55cc64.yml
+openapi_spec_hash: 4018d7234b9acf008622b921908b6329
 config_hash: 059988c88f0dc18e9e393daed94b5eb6
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 460d8fa..4885ca4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.31.0 (2026-05-30)
+
+Full Changelog: [v0.30.1...v0.31.0](https://github.com/perplexityai/perplexity-node/compare/v0.30.1...v0.31.0)
+
+### Features
+
+* **responses:** add sandbox built-in tool ([6b47293](https://github.com/perplexityai/perplexity-node/commit/6b4729307f2cd319119bba23ebca2bcbaee9cb62))
+
 ## 0.30.1 (2026-05-27)
 
 Full Changelog: [v0.30.0...v0.30.1](https://github.com/perplexityai/perplexity-node/compare/v0.30.0...v0.30.1)
diff --git a/package.json b/package.json
index fc22aaa..010cad6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@perplexity-ai/perplexity_ai",
-  "version": "0.30.1",
+  "version": "0.31.0",
   "description": "The official TypeScript library for the Perplexity API",
   "author": "Perplexity <api@perplexity.ai>",
   "types": "dist/index.d.ts",
diff --git a/src/resources/responses.ts b/src/resources/responses.ts
index eae32c0..2e8ffde 100644
--- a/src/resources/responses.ts
+++ b/src/resources/responses.ts
@@ -800,6 +800,7 @@ export interface ResponsesCreateParams {
     | ResponsesCreateParams.PeopleSearchTool
     | FunctionTool
     | ResponsesCreateParams.FinanceSearchTool
+    | ResponsesCreateParams.SandboxTool
   >;
 }
 
@@ -896,6 +897,14 @@ export namespace ResponsesCreateParams {
      */
     type: 'finance_search';
   }
+
+  export interface SandboxTool {
+    /**
+     * Enables the `sandbox` tool. The model can execute code in an isolated container
+     * during the request and use the result in its final answer.
+     */
+    type: 'sandbox';
+  }
 }
 
 export interface ResponsesUsage {
@@ -1095,6 +1104,7 @@ export interface ResponseCreateParamsBase {
     | ResponseCreateParams.PeopleSearchTool
     | FunctionTool
     | ResponseCreateParams.FinanceSearchTool
+    | ResponseCreateParams.SandboxTool
   >;
 }
 
@@ -1192,6 +1202,14 @@ export namespace ResponseCreateParams {
     type: 'finance_search';
   }
 
+  export interface SandboxTool {
+    /**
+     * Enables the `sandbox` tool. The model can execute code in an isolated container
+     * during the request and use the result in its final answer.
+     */
+    type: 'sandbox';
+  }
+
   export type ResponseCreateParamsNonStreaming = ResponsesAPI.ResponseCreateParamsNonStreaming;
   export type ResponseCreateParamsStreaming = ResponsesAPI.ResponseCreateParamsStreaming;
 }
diff --git a/src/version.ts b/src/version.ts
index 3a830f1..b6314c2 100644
--- a/src/version.ts
+++ b/src/version.ts
@@ -1 +1 @@
-export const VERSION = '0.30.1'; // x-release-please-version
+export const VERSION = '0.31.0'; // x-release-please-version