diff --git a/src/chains/index.ts b/src/chains/index.ts
index 9ea17017..0ec97e6a 100644
--- a/src/chains/index.ts
+++ b/src/chains/index.ts
@@ -28,6 +28,11 @@ export enum ChainSymbol {
    */
   ETH = "ETH",
 
+  /**
+   * The Base main network.
+   */
+  BAS = "BAS",
+
   /**
    * The Solana network.
    */
@@ -122,6 +127,12 @@ export const chainProperties: Record<string, BasicChainProperties> = {
     name: "Ethereum",
     chainType: ChainType.EVM,
   },
+  [ChainSymbol.BAS]: {
+    chainSymbol: ChainSymbol.BAS,
+    chainId: "0x2105",
+    name: "Base",
+    chainType: ChainType.EVM,
+  },
   [ChainSymbol.ARB]: {
     chainSymbol: ChainSymbol.ARB,
     chainId: "0xa4b1",