diff --git a/packages/sdk/src/utils/chain-constants.ts b/packages/sdk/src/utils/chain-constants.ts
index c49c93b19fe0..c8853c051da2 100644
--- a/packages/sdk/src/utils/chain-constants.ts
+++ b/packages/sdk/src/utils/chain-constants.ts
@@ -72,6 +72,7 @@ export const DEPOSIT_CONFIRMATION_BLOCKS: {
   [L2ChainID.OPTIMISM_BEDROCK_LOCAL_DEVNET]: 2 as const,
   [L2ChainID.OPTIMISM_BEDROCK_ALPHA_TESTNET]: 12 as const,
   [L2ChainID.BASE_GOERLI]: 12 as const,
+  [L2ChainID.BASE_MAINNET]: 50 as const,
   [L2ChainID.ZORA_GOERLI]: 12 as const,
   [L2ChainID.ZORA_MAINNET]: 50 as const,
 }