diff --git a/package-lock.json b/package-lock.json
index be7c970..d35c86b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
         "@x402/core": "^2.9.0",
         "@x402/express": "^2.9.0",
         "@x402/fetch": "^2.13.0",
-        "@x402/stellar": "^2.9.0",
+        "@x402/stellar": "^2.12.0",
         "cors": "^2.8.6",
         "dotenv": "^17.4.1",
         "express": "^5.2.1",
@@ -448,13 +448,13 @@
       }
     },
     "node_modules/@x402/stellar": {
-      "version": "2.9.0",
-      "resolved": "https://registry.npmjs.org/@x402/stellar/-/stellar-2.9.0.tgz",
-      "integrity": "sha512-VZ77WugghMuSeCsvDpK4cKt5OyDXqAnH2IPBG/FbAvwAkOyhPCPHWK/Q33NbqKDIyV8W2xB/vg12Nj7UMp/qRQ==",
+      "version": "2.12.0",
+      "resolved": "https://registry.npmjs.org/@x402/stellar/-/stellar-2.12.0.tgz",
+      "integrity": "sha512-Z6ncsWsbHkS1g3ncMrE5L/hFQaGcozqepQL1WTb8fYpOvH8yEhGaU3w3euEzLWiHGM14h8LpW8b6Lxq1OizaJg==",
       "license": "Apache-2.0",
       "dependencies": {
         "@stellar/stellar-sdk": "^14.6.1",
-        "@x402/core": "2.9.0"
+        "@x402/core": "~2.12.0"
       }
     },
     "node_modules/@x402/stellar/node_modules/@stellar/js-xdr": {
@@ -503,6 +503,15 @@
         "node": ">=20.0.0"
       }
     },
+    "node_modules/@x402/stellar/node_modules/@x402/core": {
+      "version": "2.12.0",
+      "resolved": "https://registry.npmjs.org/@x402/core/-/core-2.12.0.tgz",
+      "integrity": "sha512-dLae9AbZRN/W7GsKe9ngqGsflnP+esE72s0GjmqDZbPihM/tlHCA6UnDdgM0qfOiDOf9iL+mmCs1OyLWpwnGLQ==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "zod": "^3.24.2"
+      }
+    },
     "node_modules/abitype": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/abitype/-/abitype-1.2.3.tgz",
diff --git a/package.json b/package.json
index a6c3812..2f6d315 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "@x402/core": "^2.9.0",
     "@x402/express": "^2.9.0",
     "@x402/fetch": "^2.13.0",
-    "@x402/stellar": "^2.9.0",
+    "@x402/stellar": "^2.12.0",
     "cors": "^2.8.6",
     "dotenv": "^17.4.1",
     "express": "^5.2.1",