diff --git a/miner/genesis.json b/miner/genesis.json
index e2b1504..8f99667 100644
--- a/miner/genesis.json
+++ b/miner/genesis.json
@@ -8,14 +8,14 @@
     "eip158Block": 3,
     "byzantiumBlock": 4,
     "clique": {
-      "period": 15,
+      "period": 2,
       "epoch": 30000
     }
   },
   "nonce": "0x0",
   "timestamp": "0x5a8efd25",
   "extraData": "0x00000000000000000000000000000000000000000000000000000000000000003590aca93338b0721966a8d0c96ebf2c4c87c5448cc5a1a0802db41db826c2fcb72423744338dcb00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
-  "gasLimit": "0x47b760",
+  "gasLimit": "0x2625A00",
   "difficulty": "0x1",
   "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
   "coinbase": "0x0000000000000000000000000000000000000000",
diff --git a/node/genesis.json b/node/genesis.json
index e2b1504..8f99667 100644
--- a/node/genesis.json
+++ b/node/genesis.json
@@ -8,14 +8,14 @@
     "eip158Block": 3,
     "byzantiumBlock": 4,
     "clique": {
-      "period": 15,
+      "period": 2,
       "epoch": 30000
     }
   },
   "nonce": "0x0",
   "timestamp": "0x5a8efd25",
   "extraData": "0x00000000000000000000000000000000000000000000000000000000000000003590aca93338b0721966a8d0c96ebf2c4c87c5448cc5a1a0802db41db826c2fcb72423744338dcb00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
-  "gasLimit": "0x47b760",
+  "gasLimit": "0x2625A00",
   "difficulty": "0x1",
   "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
   "coinbase": "0x0000000000000000000000000000000000000000",