diff --git a/sdk/package-lock.json b/sdk/package-lock.json
index 1a4d203..259c092 100644
--- a/sdk/package-lock.json
+++ b/sdk/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.1.0",
       "license": "Apache-2.0",
       "dependencies": {
-        "@stellar/stellar-sdk": "^16.0.1",
+        "@stellar/stellar-sdk": "^17.0.0",
         "buffer": "6.0.3",
         "snarkjs": "^0.7.5"
       },
@@ -56,6 +56,23 @@
         "tslib": "^2.4.0"
       }
     },
+    "node_modules/@exodus/bytes": {
+      "version": "1.15.1",
+      "resolved": "https://registry.npmjs.org/@exodus/bytes/-/bytes-1.15.1.tgz",
+      "integrity": "sha512-S6mL0yNB/Abt9Ei4tq8gDhcczc4S3+vQ4ra7vxnAf+YHC02srtqxKKZghx2Dq6p0e66THKwR6r8N6P95wEty7Q==",
+      "license": "MIT",
+      "engines": {
+        "node": "^20.19.0 || ^22.12.0 || >=24.0.0"
+      },
+      "peerDependencies": {
+        "@noble/hashes": "^1.8.0 || ^2.0.0"
+      },
+      "peerDependenciesMeta": {
+        "@noble/hashes": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@iden3/bigarray": {
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/@iden3/bigarray/-/bigarray-0.0.2.tgz",
@@ -419,28 +436,28 @@
       "license": "MIT"
     },
     "node_modules/@stellar/js-xdr": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/@stellar/js-xdr/-/js-xdr-4.0.0.tgz",
-      "integrity": "sha512-+NmNa7Tk5BI5XFdy/6xGTqAN4J9a9KgCrCGhj2uEUTCBhLkch0M+QbKzNH8zEnejWe0p8w+0q5hUVX6L3OzoVA==",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/@stellar/js-xdr/-/js-xdr-5.0.0.tgz",
+      "integrity": "sha512-HBDNKnxr+ecdaEmbZ0mcKkirOF8tXXEbWSw34P3wT40Tn3g+u+cCH17xAWZymzscq8cojHB8340pR8QNVaD32w==",
       "license": "Apache-2.0",
       "engines": {
-        "node": ">=20.0.0",
-        "pnpm": ">=9.0.0"
+        "node": ">=22.0.0",
+        "pnpm": ">=10.0.0"
       }
     },
     "node_modules/@stellar/stellar-sdk": {
-      "version": "16.0.1",
-      "resolved": "https://registry.npmjs.org/@stellar/stellar-sdk/-/stellar-sdk-16.0.1.tgz",
-      "integrity": "sha512-bxKohaiyKVqoudRhbOOHeHhHIaeYV5Zab4rCjxhP4Ty1h1ozTLBOv8lWFnZz9ilBzXG8Bb7usQI3rlEcfvUynA==",
+      "version": "17.0.0",
+      "resolved": "https://registry.npmjs.org/@stellar/stellar-sdk/-/stellar-sdk-17.0.0.tgz",
+      "integrity": "sha512-L9Y+xXmBMK44rxQQPkbgHuEL0fYh3F1OZKVDBfG0+r00KAxXJejw1E5xRRRBWDja7stnpf0+mhSP4bXkTLG3AQ==",
       "license": "Apache-2.0",
       "dependencies": {
+        "@exodus/bytes": "^1.15.1",
         "@noble/ed25519": "^3.1.0",
         "@noble/hashes": "^2.2.0",
-        "@stellar/js-xdr": "4.0.0",
-        "axios": "1.16.1",
-        "base32.js": "^0.1.0",
-        "bignumber.js": "^11.1.1",
-        "buffer": "^6.0.3",
+        "@stellar/js-xdr": "^5.0.0",
+        "@types/json-schema": "^7.0.15",
+        "axios": "1.18.0",
+        "bignumber.js": "^11.1.4",
         "commander": "^14.0.3",
         "eventsource": "^4.1.0",
         "feaxios": "^0.0.23",
@@ -451,7 +468,7 @@
         "stellar-js": "bin/stellar-js"
       },
       "engines": {
-        "node": ">=22.0.0"
+        "node": ">=22.12.0"
       }
     },
     "node_modules/@stellar/stellar-sdk/node_modules/@noble/hashes": {
@@ -502,6 +519,12 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/@types/json-schema": {
+      "version": "7.0.15",
+      "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.15.tgz",
+      "integrity": "sha512-5+fP8P8MFNC+AyZCDxrB2pkZFPGzqQWUzpSeuuVLvm8VMcorNYavBqoFcxK8bQz4Qsbn4oUEEem4wDLfcysGHA==",
+      "license": "MIT"
+    },
     "node_modules/@types/node": {
       "version": "26.1.1",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-26.1.1.tgz",
@@ -1000,9 +1023,9 @@
       "license": "MIT"
     },
     "node_modules/axios": {
-      "version": "1.16.1",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-1.16.1.tgz",
-      "integrity": "sha512-caYkukvroVPO8KrzuJEb50Hm07KwfBZPEC3VeFHTsqWHvKTsy54hjJz9BS/cdaypROE2rH6xvm9mHX4fgWkr3A==",
+      "version": "1.18.0",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.18.0.tgz",
+      "integrity": "sha512-E32NzpYKp++W7XRe52rHiXV2ehxmh3wbdgO7MHeFM+vqxLBYHzt0ElkiImtOBxtOmyp0yoC8C6uESVV84Y2/hw==",
       "license": "MIT",
       "dependencies": {
         "follow-redirects": "^1.16.0",
@@ -1017,15 +1040,6 @@
       "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
       "license": "MIT"
     },
-    "node_modules/base32.js": {
-      "version": "0.1.0",
-      "resolved": "https://registry.npmjs.org/base32.js/-/base32.js-0.1.0.tgz",
-      "integrity": "sha512-n3TkB02ixgBOhTvANakDb4xaMXnYUVkNoRFJjQflcqMQhyEKxEHdj3E6N8t8sUQ0mjH/3/JxzlXuz3ul/J90pQ==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=0.12.0"
-      }
-    },
     "node_modules/base64-js": {
       "version": "1.5.1",
       "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
diff --git a/sdk/package.json b/sdk/package.json
index f313e65..7ceb639 100644
--- a/sdk/package.json
+++ b/sdk/package.json
@@ -21,7 +21,7 @@
     "example:register": "node --loader ts-node/esm examples/register.ts"
   },
   "dependencies": {
-    "@stellar/stellar-sdk": "^16.0.1",
+    "@stellar/stellar-sdk": "^17.0.0",
     "buffer": "6.0.3",
     "snarkjs": "^0.7.5"
   },