diff --git a/packages/indexer/src/web3/constants.ts b/packages/indexer/src/web3/constants.ts
index a9196da..d264a51 100644
--- a/packages/indexer/src/web3/constants.ts
+++ b/packages/indexer/src/web3/constants.ts
@@ -75,7 +75,7 @@ export const getChainCacheFollowDistance = (chainId: number) => {
 };
 
 const MAX_BLOCK_LOOK_BACK = {
-  [CHAIN_IDs.MAINNET]: 10000,
+  [CHAIN_IDs.MAINNET]: 5000,
   [CHAIN_IDs.OPTIMISM]: 10000,
   [CHAIN_IDs.POLYGON]: 10000,
   [CHAIN_IDs.BOBA]: 4990,