diff --git a/eth/ethconfig/config.go b/eth/ethconfig/config.go
index ddc0e9e829..37838b8f4b 100644
--- a/eth/ethconfig/config.go
+++ b/eth/ethconfig/config.go
@@ -84,7 +84,7 @@ var Defaults = Config{
 	TrieTimeout:             60 * time.Minute,
 	SnapshotCache:           102,
 	Miner: miner.Config{
-		GasCeil:  8000000,
+		GasCeil:  30000000,
 		GasPrice: big.NewInt(params.GWei),
 		Recommit: 3 * time.Second,
 	},