diff --git a/firmware/coins.c b/firmware/coins.c
index e6056da420..094f2d5ed9 100644
--- a/firmware/coins.c
+++ b/firmware/coins.c
@@ -26,7 +26,7 @@
 // filled CoinType Protobuf structure defined in https://github.com/trezor/trezor-common/blob/master/protob/types.proto#L133
 // address types > 0xFF represent a two-byte prefix in big-endian order
 const CoinType coins[COINS_COUNT] = {
-	{true, "Bitcoin",       true, "BTC",  true,    0, true,     100000, true,    5, true,  6, true,  10, true, "\x18" "Bitcoin Signed Message:\n",  },
+	{true, "Bitcoin",       true, "BTC",  true,    0, true,     300000, true,    5, true,  6, true,  10, true, "\x18" "Bitcoin Signed Message:\n",  },
 	{true, "Testnet",       true, "TEST", true,  111, true,   10000000, true,  196, true,  3, true,  40, true, "\x18" "Bitcoin Signed Message:\n",  },
 	{true, "Namecoin",      true, "NMC",  true,   52, true,   10000000, true,    5, false, 0, false,  0, true, "\x19" "Namecoin Signed Message:\n", },
 	{true, "Litecoin",      true, "LTC",  true,   48, true,    1000000, true,    5, false, 0, false,  0, true, "\x19" "Litecoin Signed Message:\n", },
diff --git a/vendor/trezor-common b/vendor/trezor-common
index 9d2ab7318d..80c7b666a2 160000
--- a/vendor/trezor-common
+++ b/vendor/trezor-common
@@ -1 +1 @@
-Subproject commit 9d2ab7318db08a47b35588b0593fb66129214f8d
+Subproject commit 80c7b666a204c74be1d1ed6b019d1fad2d2fe909