diff --git a/app/src/main/java/com/tangem/domain/BitcoinNode.kt b/app/src/main/java/com/tangem/domain/BitcoinNode.kt
index 5a1b1ce6e5..63dd415f57 100644
--- a/app/src/main/java/com/tangem/domain/BitcoinNode.kt
+++ b/app/src/main/java/com/tangem/domain/BitcoinNode.kt
@@ -12,5 +12,6 @@ enum class BitcoinNode(val host: String, val port: Int) {
 	n9("electrumx.nmdps.net", 50001),
 	n10("kirsche.emzy.de", 50001),
 	n11("electrum.petrkr.net", 50001),
-	n12("electrum.dk", 50001)
+	n12("electrum.dk", 50001),
+//	n13("electrum.hsmiths.com", 50002)
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/tangem/domain/wallet/BtcEngine.java b/app/src/main/java/com/tangem/domain/wallet/BtcEngine.java
index 5fb4329b4a..d92d46aa1b 100644
--- a/app/src/main/java/com/tangem/domain/wallet/BtcEngine.java
+++ b/app/src/main/java/com/tangem/domain/wallet/BtcEngine.java
@@ -41,6 +41,7 @@ public class BtcEngine extends CoinEngine {
                 BitcoinNode.n10.getHost(),
                 BitcoinNode.n11.getHost(),
                 BitcoinNode.n12.getHost(),
+//                BitcoinNode.n13.getHost(),
         };
     }
 
@@ -58,6 +59,7 @@ public class BtcEngine extends CoinEngine {
                 BitcoinNode.n10.getPort(),
                 BitcoinNode.n11.getPort(),
                 BitcoinNode.n12.getPort(),
+//                BitcoinNode.n13.getPort(),
         };
     }
 
diff --git a/build.gradle b/build.gradle
index a92daa08c4..f32c4373c1 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.2.71'
+    ext.kotlin_version = '1.3.0'
     repositories {
         google()
         jcenter()