diff --git a/backend/package.json b/backend/package.json
index 7e932e7..f57140c 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -24,7 +24,7 @@
   "license": "ISC",
   "dependencies": {
     "@prisma/adapter-pg": "^7.4.1",
-    "@stellar/stellar-sdk": "^14.5.0",
+    "@stellar/stellar-sdk": "^15.1.0",
     "cors": "^2.8.6",
     "dotenv": "^17.4.2",
     "express": "^5.2.1",
diff --git a/frontend/package.json b/frontend/package.json
index 8c1dfb3..1340e67 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -13,7 +13,7 @@
   },
   "dependencies": {
     "@stellar/freighter-api": "^6.0.1",
-    "@stellar/stellar-sdk": "^14.5.0",
+    "@stellar/stellar-sdk": "^15.1.0",
     "@tanstack/react-query": "^5.100.6",
     "lucide-react": "^0.575.0",
     "next": "16.1.6",
diff --git a/package-lock.json b/package-lock.json
index cf40b27..5b62ddd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -33,7 +33,7 @@
       "license": "ISC",
       "dependencies": {
         "@prisma/adapter-pg": "^7.4.1",
-        "@stellar/stellar-sdk": "^14.5.0",
+        "@stellar/stellar-sdk": "^15.1.0",
         "cors": "^2.8.6",
         "dotenv": "^17.4.2",
         "express": "^5.2.1",
@@ -80,7 +80,7 @@
       "version": "0.1.0",
       "dependencies": {
         "@stellar/freighter-api": "^6.0.1",
-        "@stellar/stellar-sdk": "^14.5.0",
+        "@stellar/stellar-sdk": "^15.1.0",
         "@tanstack/react-query": "^5.100.6",
         "lucide-react": "^0.575.0",
         "next": "16.1.6",
@@ -1519,6 +1519,8 @@
     },
     "node_modules/@noble/curves": {
       "version": "1.9.7",
+      "resolved": "https://registry.npmjs.org/@noble/curves/-/curves-1.9.7.tgz",
+      "integrity": "sha512-gbKGcRUYIjA3/zCCNaWDciTMFI0dCkvou3TL8Zmy5Nc7sJ47a0jtOeZoTaMxkuqRo9cRhjOdZJXegxYE5FN/xw==",
       "license": "MIT",
       "dependencies": {
         "@noble/hashes": "1.8.0"
@@ -2138,11 +2140,13 @@
       "license": "Apache-2.0"
     },
     "node_modules/@stellar/stellar-base": {
-      "version": "14.0.4",
+      "version": "15.0.0",
+      "resolved": "https://registry.npmjs.org/@stellar/stellar-base/-/stellar-base-15.0.0.tgz",
+      "integrity": "sha512-XQhxUr9BYiEcFcgc4oWcCMR9QJCny/GmmGsuwPKf/ieIcOeb5149KLHYx9mJCA0ea8QbucR2/GzV58QbXOTxQA==",
       "license": "Apache-2.0",
       "dependencies": {
-        "@noble/curves": "^1.9.6",
-        "@stellar/js-xdr": "^3.1.2",
+        "@noble/curves": "^1.9.7",
+        "@stellar/js-xdr": "^4.0.0",
         "base32.js": "^0.1.0",
         "bignumber.js": "^9.3.1",
         "buffer": "^6.0.3",
@@ -2152,19 +2156,31 @@
         "node": ">=20.0.0"
       }
     },
+    "node_modules/@stellar/stellar-base/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==",
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=20.0.0",
+        "pnpm": ">=9.0.0"
+      }
+    },
     "node_modules/@stellar/stellar-sdk": {
-      "version": "14.5.0",
+      "version": "15.1.0",
+      "resolved": "https://registry.npmjs.org/@stellar/stellar-sdk/-/stellar-sdk-15.1.0.tgz",
+      "integrity": "sha512-GsJUcWx2yboVzYdhTe/LHS3V1wVLSHkUkglC5bBoYWGJt31vzIhbSGno60NP9CdCTNkLJdnrsLJ63oA58Zvh5A==",
       "license": "Apache-2.0",
       "dependencies": {
-        "@stellar/stellar-base": "^14.0.4",
-        "axios": "^1.13.3",
+        "@stellar/stellar-base": "^15.0.0",
+        "axios": "1.15.0",
         "bignumber.js": "^9.3.1",
-        "commander": "^14.0.2",
+        "commander": "^14.0.3",
         "eventsource": "^2.0.2",
         "feaxios": "^0.0.23",
         "randombytes": "^2.1.0",
         "toml": "^3.0.0",
-        "urijs": "^1.19.1"
+        "urijs": "^1.19.11"
       },
       "bin": {
         "stellar-js": "bin/stellar-js"
@@ -3452,12 +3468,14 @@
       }
     },
     "node_modules/axios": {
-      "version": "1.13.5",
+      "version": "1.15.0",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.15.0.tgz",
+      "integrity": "sha512-wWyJDlAatxk30ZJer+GeCWS209sA42X+N5jU2jy6oHTp7ufw8uzUTVFBX9+wTfAlhiJXGS0Bq7X6efruWjuK9Q==",
       "license": "MIT",
       "dependencies": {
         "follow-redirects": "^1.15.11",
         "form-data": "^4.0.5",
-        "proxy-from-env": "^1.1.0"
+        "proxy-from-env": "^2.1.0"
       }
     },
     "node_modules/axobject-query": {
@@ -8711,8 +8729,13 @@
       }
     },
     "node_modules/proxy-from-env": {
-      "version": "1.1.0",
-      "license": "MIT"
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-2.1.0.tgz",
+      "integrity": "sha512-cJ+oHTW1VAEa8cJslgmUZrc+sjRKgAKl3Zyse6+PV38hZe/V6Z14TbCuXcan9F9ghlz4QrFr2c92TNF82UkYHA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      }
     },
     "node_modules/pstree.remy": {
       "version": "1.1.8",