diff --git a/benchmarks/robustness-audit.js b/benchmarks/robustness-audit.js
index 16b9e99..f5fb2fa 100644
--- a/benchmarks/robustness-audit.js
+++ b/benchmarks/robustness-audit.js
@@ -20,7 +20,7 @@ function python() {
 }
 
 const N = Number(process.env.AUDIT_N) || 20;
-const MODEL = process.env.AUDIT_MODEL || 'gpt-5.4-mini';
+const MODEL = process.env.AUDIT_MODEL || 'gpt-4o-mini';
 const ROOT = path.join(__dirname, '..');
 let kv = {};
 try {
diff --git a/ponytail-mcp/index.js b/ponytail-mcp/index.js
index 4978398..74328ec 100644
--- a/ponytail-mcp/index.js
+++ b/ponytail-mcp/index.js
@@ -9,7 +9,7 @@ import { z } from "zod";
 
 import { MODES, buildInstructions, resolveMode } from "./instructions.js";
 
-const server = new McpServer({ name: "ponytail", version: "0.1.0" });
+const server = new McpServer({ name: "ponytail", version: "4.8.3" });
 
 const modeArg = z
   .enum(MODES)