diff --git a/driver/anchor_tx_constructor/anchor_tx_constructor.go b/driver/anchor_tx_constructor/anchor_tx_constructor.go
index cf90a9081..a543b3457 100644
--- a/driver/anchor_tx_constructor/anchor_tx_constructor.go
+++ b/driver/anchor_tx_constructor/anchor_tx_constructor.go
@@ -17,7 +17,7 @@ import (
 )
 
 // Each TaikoL2.anchor transaction should use this value as it's gas limit.
-const AnchorGasLimit = 1_000_000
+const AnchorGasLimit = 250_000
 
 // AnchorTxConstructor is responsible for assembling the anchor transaction (TaikoL2.anchor) in
 // each L2 block, which is always the first transaction.
diff --git a/pkg/rpc/methods.go b/pkg/rpc/methods.go
index cced17ead..542fedafa 100644
--- a/pkg/rpc/methods.go
+++ b/pkg/rpc/methods.go
@@ -32,7 +32,7 @@ var (
 	syncProgressRecheckDelay       = 12 * time.Second
 	waitL1OriginPollingInterval    = 3 * time.Second
 	defaultWaitL1OriginTimeout     = 3 * time.Minute
-	defaultMaxTransactionsPerBlock = uint64(79)
+	defaultMaxTransactionsPerBlock = uint64(149)
 
 	// Requset urls.
 	sidecarsRequestURL = "eth/v1/beacon/blob_sidecars/%d"