diff --git a/bun.lock b/bun.lock
index f25e811..1176a83 100644
--- a/bun.lock
+++ b/bun.lock
@@ -25,7 +25,7 @@
         "fastify": "^5.8.5",
         "hono": "^4.12.16",
         "lefthook": "^2.1.6",
-        "mppx": "^0.6.13",
+        "mppx": "^0.6.14",
         "tsup": "^8.5.1",
         "typescript": "^6.0.3",
         "typescript-eslint": "^8.59.1",
@@ -919,7 +919,7 @@
 
     "mlly": ["mlly@1.8.2", "", { "dependencies": { "acorn": "^8.16.0", "pathe": "^2.0.3", "pkg-types": "^1.3.1", "ufo": "^1.6.3" } }, "sha512-d+ObxMQFmbt10sretNDytwt85VrbkhhUA/JBGm1MPaWJ65Cl4wOgLaB1NYvJSZ0Ef03MMEU/0xpPMXUIQ29UfA=="],
 
-    "mppx": ["mppx@0.6.13", "", { "dependencies": { "incur": "^0.3.25", "ox": "0.14.18", "zod": "^4.3.6" }, "peerDependencies": { "@modelcontextprotocol/sdk": ">=1.25.0", "elysia": ">=1", "express": ">=5", "hono": ">=4.12.14", "viem": ">=2.47.5" }, "optionalPeers": ["@modelcontextprotocol/sdk", "elysia", "express", "hono"], "bin": { "mppx": "dist/bin.js", "mppx.src": "src/bin.ts" } }, "sha512-/i82+nllfmtLIKkBjqnu0KEQ/cyBbk7Zg61V0EMdQeMlDhyXSXKEBhqCJtRTfVaVH5pJbZyb9dSd2UprhdP8Qg=="],
+    "mppx": ["mppx@0.6.14", "", { "dependencies": { "incur": "^0.3.25", "ox": "0.14.18", "zod": "^4.3.6" }, "peerDependencies": { "@modelcontextprotocol/sdk": ">=1.25.0", "elysia": ">=1", "express": ">=5", "hono": ">=4.12.14", "viem": ">=2.47.5" }, "optionalPeers": ["@modelcontextprotocol/sdk", "elysia", "express", "hono"], "bin": { "mppx": "dist/bin.js", "mppx.src": "src/bin.ts" } }, "sha512-sux4amv+pIPR/Wf2znvgnh76DG/gWGAplzLuCvEbaYfGV9aycRrZc3u6vttws/prJmYs7+9qkx+/I4gonNqR8w=="],
 
     "ms": ["ms@2.1.3", "", {}, "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="],
 
diff --git a/package.json b/package.json
index dd6a89a..02340e6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@agent-score/commerce",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "Agent commerce SDK — identity middleware (Hono, Express, Fastify, Next.js, Web Fetch) + payment helpers + 402 builders + discovery + Stripe multichain. The full merchant-side toolkit for AgentScore-powered agent commerce.",
   "main": "./dist/index.js",
   "module": "./dist/index.mjs",
@@ -163,7 +163,7 @@
     "fastify": "^5.8.5",
     "hono": "^4.12.16",
     "lefthook": "^2.1.6",
-    "mppx": "^0.6.13",
+    "mppx": "^0.6.14",
     "tsup": "^8.5.1",
     "typescript": "^6.0.3",
     "typescript-eslint": "^8.59.1",