diff --git a/packages/adapter-evm/package.json b/packages/adapter-evm/package.json
index 1a8bc035..9e53ae51 100644
--- a/packages/adapter-evm/package.json
+++ b/packages/adapter-evm/package.json
@@ -66,7 +66,7 @@
     "eslint": "^9.32.0",
     "jsdom": "^26.1.0",
     "typescript": "^5.9.2",
-    "viem": "^2.33.3",
+    "viem": "^2.35.1",
     "vitest": "^3.2.4",
     "wagmi": "^2.16.1"
   },
@@ -74,7 +74,7 @@
     "@rainbow-me/rainbowkit": "^2.2.8",
     "@tanstack/react-query": "^5.74.7",
     "react": "^19.0.0",
-    "viem": "^2.28.0",
+    "viem": "^2.35.1",
     "wagmi": "^2.15.0"
   },
   "exports": {
diff --git a/packages/adapter-evm/src/networks/index.ts b/packages/adapter-evm/src/networks/index.ts
index 65e935c5..602cbda5 100644
--- a/packages/adapter-evm/src/networks/index.ts
+++ b/packages/adapter-evm/src/networks/index.ts
@@ -19,6 +19,7 @@ import {
   bscTestnet,
   ethereumSepolia,
   lineaSepolia,
+  mantraDuKongEVMTestnet,
   monadTestnet,
   optimismSepolia,
   polygonAmoy,
@@ -57,6 +58,7 @@ export const evmTestnetNetworks: TypedEvmNetworkConfig[] = [
   scrollSepolia,
   zksyncSepoliaTestnet,
   monadTestnet,
+  mantraDuKongEVMTestnet,
   // Other testnet networks...
 ];
 
@@ -92,4 +94,5 @@ export {
   scrollSepolia,
   zksyncSepoliaTestnet,
   monadTestnet,
+  mantraDuKongEVMTestnet,
 };
diff --git a/packages/adapter-evm/src/networks/testnet.ts b/packages/adapter-evm/src/networks/testnet.ts
index 9818d325..1833589e 100644
--- a/packages/adapter-evm/src/networks/testnet.ts
+++ b/packages/adapter-evm/src/networks/testnet.ts
@@ -4,6 +4,7 @@ import {
   baseSepolia as viemBaseSepolia,
   bscTestnet as viemBscTestnet,
   lineaSepolia as viemLineaSepolia,
+  mantraDuKongEVMTestnet as viemMantraDuKongEVMTestnet,
   monadTestnet as viemMonadTestnet,
   optimismSepolia as viemOptimismSepolia,
   polygonAmoy as viemPolygonAmoy,
@@ -293,4 +294,28 @@ export const monadTestnet: TypedEvmNetworkConfig = {
   viemChain: viemMonadTestnet,
 };
 
+export const mantraDuKongEVMTestnet: TypedEvmNetworkConfig = {
+  id: 'mantra-dukong-evm-testnet',
+  exportConstName: 'mantraDuKongEVMTestnet',
+  name: 'Mantra DuKong EVM Testnet',
+  ecosystem: 'evm',
+  network: 'mantra-dukong',
+  type: 'testnet',
+  isTestnet: true,
+  chainId: 5887,
+  rpcUrl: viemMantraDuKongEVMTestnet.rpcUrls.default.http[0],
+  explorerUrl: 'https://mantrascan.io/dukong',
+  // MANTRA Chain is not using Etherscan, so leaving the following 2 fields empty.
+  apiUrl: '',
+  primaryExplorerApiIdentifier: '',
+  supportsEtherscanV2: false,
+  icon: 'mantra',
+  nativeCurrency: {
+    name: 'MANTRA',
+    symbol: 'OM',
+    decimals: 18,
+  },
+  viemChain: viemMantraDuKongEVMTestnet,
+};
+
 // TODO: Add other EVM testnet networks as needed (e.g., Arbitrum Sepolia)