diff --git a/@shared/api/helpers/soroban.ts b/@shared/api/helpers/soroban.ts
index 3048ba70f..966fa3664 100644
--- a/@shared/api/helpers/soroban.ts
+++ b/@shared/api/helpers/soroban.ts
@@ -4,7 +4,7 @@ import {
   xdr,
   ScInt,
   SorobanRpc,
-  ContractSpec,
+  contract,
 } from "stellar-sdk";
 import { XdrReader } from "@stellar/js-xdr";
 
@@ -109,7 +109,7 @@ export const parseWasmXdr = async (xdrContents: string) => {
   do {
     specs.push(xdr.ScSpecEntry.read(reader));
   } while (!reader.eof);
-  const contractSpec = new ContractSpec(specs);
+  const contractSpec = new contract.Spec(specs);
   return contractSpec.jsonSchema();
 };
 
diff --git a/@shared/api/package.json b/@shared/api/package.json
index 189a39094..31a111375 100644
--- a/@shared/api/package.json
+++ b/@shared/api/package.json
@@ -7,8 +7,8 @@
     "@stellar/js-xdr": "^3.1.1",
     "bignumber.js": "^9.1.1",
     "prettier": "^2.0.5",
-    "stellar-sdk": "yarn:stellar-sdk@^11.3.0",
-    "stellar-sdk-next": "yarn:stellar-sdk@12.0.0-rc.2",
+    "stellar-sdk": "yarn:stellar-sdk@^12.1.0",
+    "stellar-sdk-next": "yarn:stellar-sdk@12.1.0",
     "typescript": "~3.7.2",
     "webextension-polyfill": "^0.10.0"
   },
diff --git a/@shared/constants/package.json b/@shared/constants/package.json
index d10b4056b..479775da3 100644
--- a/@shared/constants/package.json
+++ b/@shared/constants/package.json
@@ -3,8 +3,8 @@
   "prettier": "@stellar/prettier-config",
   "version": "1.0.0",
   "dependencies": {
-    "stellar-sdk": "yarn:stellar-sdk@^11.3.0",
-    "stellar-sdk-next": "yarn:stellar-sdk@12.0.0-rc.2",
+    "stellar-sdk": "yarn:stellar-sdk@^12.1.0",
+    "stellar-sdk-next": "yarn:stellar-sdk@12.1.0",
     "typescript": "~3.7.2"
   },
   "devDependencies": {
diff --git a/@shared/helpers/package.json b/@shared/helpers/package.json
index eb2db9fbe..5ae7d864d 100644
--- a/@shared/helpers/package.json
+++ b/@shared/helpers/package.json
@@ -4,8 +4,8 @@
   "version": "1.0.0",
   "dependencies": {
     "bignumber.js": "^9.1.1",
-    "stellar-sdk": "yarn:stellar-sdk@^11.3.0",
-    "stellar-sdk-next": "yarn:stellar-sdk@12.0.0-rc.2",
+    "stellar-sdk": "yarn:stellar-sdk@^12.1.0",
+    "stellar-sdk-next": "yarn:stellar-sdk@12.1.0",
     "typescript": "~3.7.2"
   },
   "devDependencies": {
diff --git a/@shared/helpers/stellar.ts b/@shared/helpers/stellar.ts
index 8a78ff1c0..9c9824110 100644
--- a/@shared/helpers/stellar.ts
+++ b/@shared/helpers/stellar.ts
@@ -7,17 +7,12 @@ import {
   BASE_RESERVE,
   BASE_RESERVE_MIN_COUNT,
   NetworkDetails,
-  FUTURENET_NETWORK_DETAILS,
-  TESTNET_NETWORK_DETAILS,
 } from "@shared/constants/stellar";
 
 export const CUSTOM_NETWORK = "STANDALONE";
 
 export const isNextSdk = (networkPassphrase: string) =>
-  [
-    FUTURENET_NETWORK_DETAILS.networkPassphrase,
-    TESTNET_NETWORK_DETAILS.networkPassphrase,
-  ].includes(networkPassphrase);
+  [""].includes(networkPassphrase);
 
 export const getSdk = (networkPassphrase: string) =>
   isNextSdk(networkPassphrase) ? StellarSdkNext : StellarSdk;
diff --git a/extension/e2e-tests/addAsset.test.ts b/extension/e2e-tests/addAsset.test.ts
index f9177a677..303ed519c 100644
--- a/extension/e2e-tests/addAsset.test.ts
+++ b/extension/e2e-tests/addAsset.test.ts
@@ -38,7 +38,7 @@ test("Adding Soroban verified token", async ({ page, extensionId }) => {
   // USDC: The verification status of this contract is subject to change.
   // taken from: https://api.stellar.expert/explorer/testnet/asset-list/top50
   const verifiedToken =
-    "CAQCFVLOBK5GIULPNZRGATJJMIZL5BSP7X5YJVMGCPTUEPFM4AVSRCJU";
+    "CBIELTK6YBZJU5UP2WWQEUCYKLPU6AUNZ2BQ4WWFEIE3USCIHMXQDAMA";
 
   test.slow();
   await loginToTestAccount({ page, extensionId });
diff --git a/extension/package.json b/extension/package.json
index 852e5f082..29787e232 100644
--- a/extension/package.json
+++ b/extension/package.json
@@ -81,8 +81,8 @@
     "ses": "^0.18.5",
     "stellar-hd-wallet": "^0.0.10",
     "stellar-identicon-js": "^1.0.0",
-    "stellar-sdk": "yarn:stellar-sdk@^11.3.0",
-    "stellar-sdk-next": "yarn:stellar-sdk@12.0.0-rc.2",
+    "stellar-sdk": "yarn:stellar-sdk@^12.1.0",
+    "stellar-sdk-next": "yarn:stellar-sdk@12.1.0",
     "svg-url-loader": "^5.0.0",
     "tsconfig-paths-webpack-plugin": "^3.2.0",
     "tslib": "2.0.0",
@@ -111,4 +111,4 @@
       "stellar-sdk>stellar-base>sodium-native": false
     }
   }
-}
\ No newline at end of file
+}
diff --git a/yarn.lock b/yarn.lock
index 9c2a87982..6a22decf4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1745,7 +1745,7 @@
     "@docusaurus/theme-search-algolia" "2.4.1"
     "@docusaurus/types" "2.4.1"
 
-"@docusaurus/react-loadable@5.5.2", "react-loadable@npm:@docusaurus/react-loadable@5.5.2":
+"@docusaurus/react-loadable@5.5.2":
   version "5.5.2"
   resolved "https://registry.yarnpkg.com/@docusaurus/react-loadable/-/react-loadable-5.5.2.tgz#81aae0db81ecafbdaee3651f12804580868fa6ce"
   integrity sha512-A3dYjdBGuy0IGT+wyLIGIKLRE+sAk1iNk0f1HjNDysO7u8lhL4N3VEm+FAubmJbAztn94F7MxBTPmnixbiyFdQ==
@@ -3078,7 +3078,7 @@
   resolved "https://registry.yarnpkg.com/@stellar/prettier-config/-/prettier-config-1.2.0.tgz#b27c411e0c4c63b2d76332c239084e682c37468f"
   integrity sha512-oL9qJ7+7aWnImpbcldroQrvtMCZ9yx4JL/tmDZ860RpBQd2ahkc8bX6/k2ehFK8gpb9ltYu4mtU49wufUuYhGg==
 
-"@stellar/stellar-base@11.1.0", "@stellar/stellar-base@^11.0.1":
+"@stellar/stellar-base@^11.0.1":
   version "11.1.0"
   resolved "https://registry.yarnpkg.com/@stellar/stellar-base/-/stellar-base-11.1.0.tgz#4b561776cb102a87828379cd1ac5d3ce96db4fb3"
   integrity sha512-nMg7QSpFqCZFq3Je/lG12+DY18y01QHRNyCxvjM8i4myS9tPRMDq7zqGcd215BGbCJxenckiOW45YJjQjzdcMQ==
@@ -3092,6 +3092,20 @@
   optionalDependencies:
     sodium-native "^4.1.1"
 
+"@stellar/stellar-base@^12.0.1":
+  version "12.0.1"
+  resolved "https://registry.yarnpkg.com/@stellar/stellar-base/-/stellar-base-12.0.1.tgz#3fae34e8f787eb47cc7f58a0dea014e7b70724a7"
+  integrity sha512-g6c27MNsDgEdUmoNQJn7zCWoCY50WHt0OIIOq3PhWaJRtUaT++qs1Jpb8+1bny2GmhtfRGOfPUFSyQBuHT9Mvg==
+  dependencies:
+    "@stellar/js-xdr" "^3.1.1"
+    base32.js "^0.1.0"
+    bignumber.js "^9.1.2"
+    buffer "^6.0.3"
+    sha.js "^2.3.6"
+    tweetnacl "^1.0.3"
+  optionalDependencies:
+    sodium-native "^4.1.1"
+
 "@stellar/stellar-sdk@^11.1.0":
   version "11.3.0"
   resolved "https://registry.yarnpkg.com/@stellar/stellar-sdk/-/stellar-sdk-11.3.0.tgz#7cb010651846a07e1853e0fe30e430ece4da340b"
@@ -4807,6 +4821,15 @@ axios@^1.6.8:
     form-data "^4.0.0"
     proxy-from-env "^1.1.0"
 
+axios@^1.7.2:
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/axios/-/axios-1.7.2.tgz#b625db8a7051fbea61c35a3cbb3a1daa7b9c7621"
+  integrity sha512-2A8QhOMrbomlDuiLeK9XibIBzuHeRcqqNOHp0Cyp5EoJ1IFDh+XZH3A6BkXtv0K4gFGCI0Y4BM7B1wOEi0Rmgw==
+  dependencies:
+    follow-redirects "^1.15.6"
+    form-data "^4.0.0"
+    proxy-from-env "^1.1.0"
+
 axobject-query@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/axobject-query/-/axobject-query-3.2.1.tgz#39c378a6e3b06ca679f29138151e45b2b32da62a"
@@ -13145,6 +13168,14 @@ react-loadable-ssr-addon-v5-slorber@^1.0.1:
   dependencies:
     "@babel/runtime" "^7.10.3"
 
+"react-loadable@npm:@docusaurus/react-loadable@5.5.2":
+  version "5.5.2"
+  resolved "https://registry.yarnpkg.com/@docusaurus/react-loadable/-/react-loadable-5.5.2.tgz#81aae0db81ecafbdaee3651f12804580868fa6ce"
+  integrity sha512-A3dYjdBGuy0IGT+wyLIGIKLRE+sAk1iNk0f1HjNDysO7u8lhL4N3VEm+FAubmJbAztn94F7MxBTPmnixbiyFdQ==
+  dependencies:
+    "@types/react" "*"
+    prop-types "^15.6.2"
+
 react-native@*:
   version "0.74.1"
   resolved "https://registry.yarnpkg.com/react-native/-/react-native-0.74.1.tgz#8f5f59636242eb1b90ff675d9fcc7f5b8b1c9913"
@@ -14562,26 +14593,26 @@ stellar-identicon-js@^1.0.0:
   dependencies:
     html-webpack-plugin "^3.2.0"
 
-"stellar-sdk-next@yarn:stellar-sdk@12.0.0-rc.2":
-  version "12.0.0-rc.2"
-  resolved "https://registry.yarnpkg.com/stellar-sdk/-/stellar-sdk-12.0.0-rc.2.tgz#a6e2608fcb52acf87dbfc50ddb33a6fb8bcacbac"
-  integrity sha512-agda7+I8CRTArhxID4FgEz5c85/Vpqn40P9Xq8D88zSyu4mj0g+dR5j8TVQGBfeKhap2zqLKiQQb/U73ocIJNg==
+"stellar-sdk-next@yarn:stellar-sdk@12.1.0":
+  version "12.1.0"
+  resolved "https://registry.yarnpkg.com/stellar-sdk/-/stellar-sdk-12.1.0.tgz#5c484641de1e69719d80b70d4b998241f4977d8e"
+  integrity sha512-cunPIlSoIDB4OWDBpXSBd0ZH+cj7mVnbk+XLvCzplcMDG8nK/tpO5YH5Z2P/4B9JZigBXcXC7YHeHtB4dQvc9g==
   dependencies:
-    "@stellar/stellar-base" "11.1.0"
-    axios "^1.6.8"
+    "@stellar/stellar-base" "^12.0.1"
+    axios "^1.7.2"
     bignumber.js "^9.1.2"
     eventsource "^2.0.2"
     randombytes "^2.1.0"
     toml "^3.0.0"
     urijs "^1.19.1"
 
-"stellar-sdk@yarn:stellar-sdk@^11.3.0":
-  version "11.3.0"
-  resolved "https://registry.yarnpkg.com/stellar-sdk/-/stellar-sdk-11.3.0.tgz#385105eac694bb469ec3924e79e796d5766ba7cd"
-  integrity sha512-xOp2zpQm5TIbgJi7wJhAmJh+Uy0ew5GbGtj1kZv6HEWHgSvW95xYMxGaw6MWM9r2YPUSQySboE6JwDc9jdx53A==
+"stellar-sdk@yarn:stellar-sdk@^12.1.0":
+  version "12.1.0"
+  resolved "https://registry.yarnpkg.com/stellar-sdk/-/stellar-sdk-12.1.0.tgz#5c484641de1e69719d80b70d4b998241f4977d8e"
+  integrity sha512-cunPIlSoIDB4OWDBpXSBd0ZH+cj7mVnbk+XLvCzplcMDG8nK/tpO5YH5Z2P/4B9JZigBXcXC7YHeHtB4dQvc9g==
   dependencies:
-    "@stellar/stellar-base" "^11.0.1"
-    axios "^1.6.8"
+    "@stellar/stellar-base" "^12.0.1"
+    axios "^1.7.2"
     bignumber.js "^9.1.2"
     eventsource "^2.0.2"
     randombytes "^2.1.0"