diff --git a/coins.json b/coins.json
index 893783978b..5a78dd17d7 100644
--- a/coins.json
+++ b/coins.json
@@ -3,7 +3,7 @@
 	"coin_shortcut": "BTC",
 	"address_type": 0,
 	"address_type_p2sh": 5,
-	"maxfee_kb": 300000,
+	"maxfee_kb": 500000,
 	"signed_message_header": "Bitcoin Signed Message:\n",
 	"hash_genesis_block": "000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f",
 	"xpub_magic": "0488b21e",