diff --git a/packages/shared/config/network/crab-dvm.ts b/packages/shared/config/network/crab-dvm.ts
index e6c56ebf8..cd21681c2 100644
--- a/packages/shared/config/network/crab-dvm.ts
+++ b/packages/shared/config/network/crab-dvm.ts
@@ -164,7 +164,7 @@ export const crabDVMConfig: DVMChainConfig = {
     },
   ],
   ss58Prefix: 42,
-  specVersion: 6402,
+  specVersion: 6403,
   wallets: ['metamask', 'mathwallet-ethereum'],
   hidden: false,
 };
diff --git a/packages/shared/config/network/darwinia-dvm.ts b/packages/shared/config/network/darwinia-dvm.ts
index 9f879a44d..8112b3879 100644
--- a/packages/shared/config/network/darwinia-dvm.ts
+++ b/packages/shared/config/network/darwinia-dvm.ts
@@ -96,6 +96,6 @@ export const darwiniaDVMConfig: DVMChainConfig = {
     },
   ],
   ss58Prefix: 18,
-  specVersion: 6402,
+  specVersion: 6403,
   wallets: ['metamask', 'mathwallet-ethereum'],
 };