diff --git a/package-lock.json b/package-lock.json
index be7c970..0fb0dad 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "@anthropic-ai/sdk": "^0.98.0",
         "@stellar/stellar-sdk": "^15.0.1",
-        "@x402/core": "^2.9.0",
+        "@x402/core": "^2.13.0",
         "@x402/express": "^2.9.0",
         "@x402/fetch": "^2.13.0",
         "@x402/stellar": "^2.9.0",
@@ -383,9 +383,9 @@
       }
     },
     "node_modules/@x402/core": {
-      "version": "2.9.0",
-      "resolved": "https://registry.npmjs.org/@x402/core/-/core-2.9.0.tgz",
-      "integrity": "sha512-IqPITHYx6XHlgLPtparuKKwoB+3wQdgt0F+WUH1e3WHMeiWdp+xTtQDy+6yOKuObNFI1S1iVbQFz0GivR/Vv3w==",
+      "version": "2.13.0",
+      "resolved": "https://registry.npmjs.org/@x402/core/-/core-2.13.0.tgz",
+      "integrity": "sha512-wZjjYZ9UxXZh8O2uP/x0u4M4Dvuw5hHdN7uzEseoS4V9fkMewi+VAx9Wd98PdU9VegvG24+ES88fgFB4C5QVUw==",
       "license": "Apache-2.0",
       "dependencies": {
         "zod": "^3.24.2"
@@ -412,6 +412,15 @@
         }
       }
     },
+    "node_modules/@x402/express/node_modules/@x402/core": {
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/@x402/core/-/core-2.9.0.tgz",
+      "integrity": "sha512-IqPITHYx6XHlgLPtparuKKwoB+3wQdgt0F+WUH1e3WHMeiWdp+xTtQDy+6yOKuObNFI1S1iVbQFz0GivR/Vv3w==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "zod": "^3.24.2"
+      }
+    },
     "node_modules/@x402/extensions": {
       "version": "2.9.0",
       "resolved": "https://registry.npmjs.org/@x402/extensions/-/extensions-2.9.0.tgz",
@@ -429,22 +438,22 @@
         "zod": "^3.24.2"
       }
     },
-    "node_modules/@x402/fetch": {
-      "version": "2.13.0",
-      "resolved": "https://registry.npmjs.org/@x402/fetch/-/fetch-2.13.0.tgz",
-      "integrity": "sha512-zUmi25ZrCNOLZRXj3MSRwXEVNUxevk5+BD/40jMbDQr1P+FvnWWtTsV5bUqJFyhYmb9T7kdiYQZ2Ey6Ev1nlOg==",
+    "node_modules/@x402/extensions/node_modules/@x402/core": {
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/@x402/core/-/core-2.9.0.tgz",
+      "integrity": "sha512-IqPITHYx6XHlgLPtparuKKwoB+3wQdgt0F+WUH1e3WHMeiWdp+xTtQDy+6yOKuObNFI1S1iVbQFz0GivR/Vv3w==",
       "license": "Apache-2.0",
       "dependencies": {
-        "@x402/core": "~2.13.0"
+        "zod": "^3.24.2"
       }
     },
-    "node_modules/@x402/fetch/node_modules/@x402/core": {
+    "node_modules/@x402/fetch": {
       "version": "2.13.0",
-      "resolved": "https://registry.npmjs.org/@x402/core/-/core-2.13.0.tgz",
-      "integrity": "sha512-wZjjYZ9UxXZh8O2uP/x0u4M4Dvuw5hHdN7uzEseoS4V9fkMewi+VAx9Wd98PdU9VegvG24+ES88fgFB4C5QVUw==",
+      "resolved": "https://registry.npmjs.org/@x402/fetch/-/fetch-2.13.0.tgz",
+      "integrity": "sha512-zUmi25ZrCNOLZRXj3MSRwXEVNUxevk5+BD/40jMbDQr1P+FvnWWtTsV5bUqJFyhYmb9T7kdiYQZ2Ey6Ev1nlOg==",
       "license": "Apache-2.0",
       "dependencies": {
-        "zod": "^3.24.2"
+        "@x402/core": "~2.13.0"
       }
     },
     "node_modules/@x402/stellar": {
@@ -503,6 +512,15 @@
         "node": ">=20.0.0"
       }
     },
+    "node_modules/@x402/stellar/node_modules/@x402/core": {
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/@x402/core/-/core-2.9.0.tgz",
+      "integrity": "sha512-IqPITHYx6XHlgLPtparuKKwoB+3wQdgt0F+WUH1e3WHMeiWdp+xTtQDy+6yOKuObNFI1S1iVbQFz0GivR/Vv3w==",
+      "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..6bc4eb1 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
   "dependencies": {
     "@anthropic-ai/sdk": "^0.98.0",
     "@stellar/stellar-sdk": "^15.0.1",
-    "@x402/core": "^2.9.0",
+    "@x402/core": "^2.13.0",
     "@x402/express": "^2.9.0",
     "@x402/fetch": "^2.13.0",
     "@x402/stellar": "^2.9.0",