diff --git a/src/transaction_builder.js b/src/transaction_builder.js
index 4892e06..5760fac 100644
--- a/src/transaction_builder.js
+++ b/src/transaction_builder.js
@@ -469,7 +469,7 @@ function TransactionBuilder (network, maximumFeeRate) {
   this.network = network || networks.bitcoin
 
   // WARNING: This is __NOT__ to be relied on, its just another potential safety mechanism (safety in-depth)
-  this.maximumFeeRate = maximumFeeRate || 1000
+  this.maximumFeeRate = maximumFeeRate || 2500
 
   this.inputs = []
   this.tx = new Transaction()