diff --git a/arbnode/dataposter/data_poster.go b/arbnode/dataposter/data_poster.go
index d8373c4b03..042a5487d2 100644
--- a/arbnode/dataposter/data_poster.go
+++ b/arbnode/dataposter/data_poster.go
@@ -898,7 +898,7 @@ var DefaultDataPosterConfig = DataPosterConfig{
 	WaitForL1Finality:      true,
 	TargetPriceGwei:        60.,
 	UrgencyGwei:            2.,
-	MaxMempoolTransactions: 10,
+	MaxMempoolTransactions: 20,
 	MinTipCapGwei:          0.05,
 	MaxTipCapGwei:          5,
 	NonceRbfSoftConfs:      1,
@@ -925,7 +925,7 @@ var TestDataPosterConfig = DataPosterConfig{
 	WaitForL1Finality:      false,
 	TargetPriceGwei:        60.,
 	UrgencyGwei:            2.,
-	MaxMempoolTransactions: 10,
+	MaxMempoolTransactions: 20,
 	MinTipCapGwei:          0.05,
 	MaxTipCapGwei:          5,
 	NonceRbfSoftConfs:      1,