diff --git a/build.gradle b/build.gradle
index 240a030..7637690 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,7 +4,7 @@ plugins {
 }
 
 group 'ru.nanit'
-version '1.3'
+version '1.3.1'
 
 repositories {
     mavenCentral()
diff --git a/src/main/java/ru/nanit/limbo/connection/ClientConnection.java b/src/main/java/ru/nanit/limbo/connection/ClientConnection.java
index f6ea7bc..df35e97 100644
--- a/src/main/java/ru/nanit/limbo/connection/ClientConnection.java
+++ b/src/main/java/ru/nanit/limbo/connection/ClientConnection.java
@@ -33,7 +33,6 @@ import java.net.InetSocketAddress;
 import java.net.SocketAddress;
 import java.security.InvalidKeyException;
 import java.security.MessageDigest;
-import java.util.Arrays;
 import java.util.Collections;
 import java.util.UUID;
 import java.util.concurrent.ThreadLocalRandom;