diff --git a/packages/viem/src/chains/supersim.ts b/packages/viem/src/chains/supersim.ts
index 0a303ec1..28746225 100644
--- a/packages/viem/src/chains/supersim.ts
+++ b/packages/viem/src/chains/supersim.ts
@@ -96,7 +96,7 @@ export const supersimL2D = defineChain({
  */
 export const supersimL2E = defineChain({
   ...chainConfig,
-  id: 904,
+  id: 905,
   name: 'Supersim L2 E',
   rpcUrls: {
     default: {