diff --git a/README.md b/README.md
index d3db251..8c7e509 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@ Ganache sometimes is not enough.
 [parity:devchain]: https://wiki.parity.io/Private-development-chain
 [remix]: http://remix.ethereum.org/
 [geth-testnet]: https://hackernoon.com/setup-your-own-private-proof-of-authority-ethereum-network-with-geth-9a0a3750cda8
+[hudson:gas]: https://hudsonjameson.com/2017-06-27-accounts-transactions-gas-ethereum/
diff --git a/cli.js b/cli.js
old mode 100644
new mode 100755
diff --git a/genesis.geth.json b/genesis.geth.json
index a293c14..4aa0deb 100644
--- a/genesis.geth.json
+++ b/genesis.geth.json
@@ -17,7 +17,7 @@
   "nonce": "0x0",
   "timestamp": "0x5c5c5fff",
   "extraData": "0x0000000000000000000000000000000000000000000000000000000000000000xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
-  "gasLimit": "0x47b760",
+  "gasLimit": "0x7A1200",
   "difficulty": "0x1",
   "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
   "coinbase": "0x0000000000000000000000000000000000000000",
diff --git a/main.js b/main.js
index e18f214..40be109 100644
--- a/main.js
+++ b/main.js
@@ -139,7 +139,9 @@ function run(client, workdir) {
       "--rpcapi",
       "personal,db,eth,net,web3,txpool,miner,debug",
       "--gasprice",
-      "1",
+      "4000000000",
+      "--targetgaslimit",
+      "4712388",
       "--rpccorsdomain",
       "*",
       "--keystore",
@@ -157,6 +159,8 @@ function run(client, workdir) {
       paths.genesis,
       "--keys-path",
       paths.keys,
+      "--gasprice",
+      "4000000000",
       "--jsonrpc-cors",
       "all",
       "--jsonrpc-apis",
diff --git a/package.json b/package.json
index 5f02912..ce242df 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ethnode",
-  "version": "0.0.3",
+  "version": "0.0.4",
   "description": "Run an Ethereum node for development.",
   "homepage": "https://github.com/vrde/ethnode",
   "main": "main.js",