diff --git a/pom.xml b/pom.xml
index 4daa446..9fcf976 100644
--- a/pom.xml
+++ b/pom.xml
@@ -93,6 +93,11 @@
             <artifactId>commons-net</artifactId>
             <version>3.11.0</version>
         </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>3.17.0</version>
+        </dependency>
         <dependency>
             <groupId>org.bstats</groupId>
             <artifactId>bstats-bukkit</artifactId>
diff --git a/src/main/java/ru/dvdishka/backuper/Backuper.java b/src/main/java/ru/dvdishka/backuper/Backuper.java
index 9815e89..ae1a7a1 100644
--- a/src/main/java/ru/dvdishka/backuper/Backuper.java
+++ b/src/main/java/ru/dvdishka/backuper/Backuper.java
@@ -72,7 +72,7 @@ public void onEnable() {
 
     public void onLoad() {
 
-        CommandAPI.onLoad(new CommandAPIBukkitConfig(this).useLatestNMSVersion(true));
+        CommandAPI.onLoad(new CommandAPIBukkitConfig(this).useLatestNMSVersion(false));
     }
 
     public void onDisable() {
diff --git a/src/main/java/ru/dvdishka/backuper/backend/tasks/sftp/SftpDeleteDirTask.java b/src/main/java/ru/dvdishka/backuper/backend/tasks/sftp/SftpDeleteDirTask.java
index b4c3352..61a1252 100644
--- a/src/main/java/ru/dvdishka/backuper/backend/tasks/sftp/SftpDeleteDirTask.java
+++ b/src/main/java/ru/dvdishka/backuper/backend/tasks/sftp/SftpDeleteDirTask.java
@@ -3,7 +3,7 @@
 import com.jcraft.jsch.ChannelSftp;
 import com.jcraft.jsch.Session;
 import com.jcraft.jsch.SftpATTRS;
-import it.unimi.dsi.fastutil.Pair;
+import org.apache.commons.lang3.tuple.Pair;
 import org.bukkit.command.CommandSender;
 import ru.dvdishka.backuper.Backuper;
 import ru.dvdishka.backuper.backend.common.Logger;
@@ -12,7 +12,6 @@
 import ru.dvdishka.backuper.backend.utils.UIUtils;
 import ru.dvdishka.backuper.handlers.commands.Permissions;
 
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Vector;
 
@@ -52,8 +51,8 @@ public void run() {
                     return;
                 }
 
-                session = sessionChannelSftpPair.first();
-                channelSftp = sessionChannelSftpPair.second();
+                session = sessionChannelSftpPair.getLeft();
+                channelSftp = sessionChannelSftpPair.getRight();
 
                 channelSftp.connect(10000);
             }
diff --git a/src/main/java/ru/dvdishka/backuper/backend/tasks/sftp/SftpGetFileFolderTask.java b/src/main/java/ru/dvdishka/backuper/backend/tasks/sftp/SftpGetFileFolderTask.java
index 24a5bb7..178a7d4 100644
--- a/src/main/java/ru/dvdishka/backuper/backend/tasks/sftp/SftpGetFileFolderTask.java
+++ b/src/main/java/ru/dvdishka/backuper/backend/tasks/sftp/SftpGetFileFolderTask.java
@@ -3,7 +3,7 @@
 import com.jcraft.jsch.ChannelSftp;
 import com.jcraft.jsch.Session;
 import com.jcraft.jsch.SftpATTRS;
-import it.unimi.dsi.fastutil.Pair;
+import org.apache.commons.lang3.tuple.Pair;
 import org.bukkit.command.CommandSender;
 import ru.dvdishka.backuper.Backuper;
 import ru.dvdishka.backuper.backend.classes.SftpProgressMonitor;
@@ -66,8 +66,8 @@ public void run() {
                     return;
                 }
 
-                session = sessionChannelSftpPair.first();
-                sftpChannel = sessionChannelSftpPair.second();
+                session = sessionChannelSftpPair.getLeft();
+                sftpChannel = sessionChannelSftpPair.getRight();
 
                 sftpChannel.connect(10000);
             }
diff --git a/src/main/java/ru/dvdishka/backuper/backend/tasks/sftp/SftpSendFileFolderTask.java b/src/main/java/ru/dvdishka/backuper/backend/tasks/sftp/SftpSendFileFolderTask.java
index a3c7ed0..3ca61cf 100644
--- a/src/main/java/ru/dvdishka/backuper/backend/tasks/sftp/SftpSendFileFolderTask.java
+++ b/src/main/java/ru/dvdishka/backuper/backend/tasks/sftp/SftpSendFileFolderTask.java
@@ -3,7 +3,7 @@
 import com.jcraft.jsch.ChannelSftp;
 import com.jcraft.jsch.JSchException;
 import com.jcraft.jsch.Session;
-import it.unimi.dsi.fastutil.Pair;
+import org.apache.commons.lang3.tuple.Pair;
 import org.bukkit.command.CommandSender;
 import ru.dvdishka.backuper.Backuper;
 import ru.dvdishka.backuper.backend.classes.SftpProgressMonitor;
@@ -15,8 +15,6 @@
 import ru.dvdishka.backuper.handlers.commands.Permissions;
 
 import java.io.File;
-import java.io.IOException;
-import java.io.InterruptedIOException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -69,8 +67,8 @@ public void run() {
                     return;
                 }
 
-                sshSession = sessionChannelSftpPair.first();
-                sftpChannel = sessionChannelSftpPair.second();
+                sshSession = sessionChannelSftpPair.getLeft();
+                sftpChannel = sessionChannelSftpPair.getRight();
 
                 if (sftpChannel == null) {
                     return;
diff --git a/src/main/java/ru/dvdishka/backuper/backend/utils/SftpUtils.java b/src/main/java/ru/dvdishka/backuper/backend/utils/SftpUtils.java
index 110361d..b341210 100644
--- a/src/main/java/ru/dvdishka/backuper/backend/utils/SftpUtils.java
+++ b/src/main/java/ru/dvdishka/backuper/backend/utils/SftpUtils.java
@@ -5,7 +5,7 @@
 import com.jcraft.jsch.JSchException;
 import com.jcraft.jsch.OpenSSHConfig;
 import com.jcraft.jsch.Session;
-import it.unimi.dsi.fastutil.Pair;
+import org.apache.commons.lang3.tuple.Pair;
 import org.bukkit.command.CommandSender;
 import ru.dvdishka.backuper.backend.common.Logger;
 import ru.dvdishka.backuper.backend.config.Config;
@@ -55,10 +55,10 @@ public static boolean checkConnection(CommandSender sender) {
         boolean connected = channelSftp != null;
 
         try {
-            channelSftp.first().disconnect();
+            channelSftp.getLeft().disconnect();
         } catch (Exception ignored) {}
         try {
-            channelSftp.second().exit();
+            channelSftp.getRight().exit();
         } catch (Exception ignored) {}
 
         return connected;
@@ -144,8 +144,8 @@ public static void createFolder(String remoteFolderPath, CommandSender sender) {
 
         Pair<Session, ChannelSftp> sessionChannelSftpPair = createChannel(sender);
 
-        Session session = sessionChannelSftpPair.first();
-        ChannelSftp sftpChannel = sessionChannelSftpPair.second();
+        Session session = sessionChannelSftpPair.getLeft();
+        ChannelSftp sftpChannel = sessionChannelSftpPair.getRight();
 
         if (sftpChannel == null) {
             return;
@@ -185,8 +185,8 @@ public static void renameFile(String remoteFilePath, String newFilePath, Command
 
         Pair<Session, ChannelSftp> sessionChannelSftpPair = createChannel(sender);
 
-        Session session = sessionChannelSftpPair.first();
-        ChannelSftp sftpChannel = sessionChannelSftpPair.second();
+        Session session = sessionChannelSftpPair.getLeft();
+        ChannelSftp sftpChannel = sessionChannelSftpPair.getRight();
 
         if (sftpChannel == null) {
             return;
@@ -218,8 +218,8 @@ public static ArrayList<String> ls(String remoteFolderPath, CommandSender sender
 
         Pair<Session, ChannelSftp> sessionChannelSftpPair = createChannel(sender);
 
-        Session session = sessionChannelSftpPair.first();
-        ChannelSftp sftpChannel = sessionChannelSftpPair.second();
+        Session session = sessionChannelSftpPair.getLeft();
+        ChannelSftp sftpChannel = sessionChannelSftpPair.getRight();
 
         if (sftpChannel == null) {
             return null;
@@ -260,8 +260,8 @@ public static long getDirByteSize(String remoteFilePath, CommandSender sender) {
 
         Pair<Session, ChannelSftp> sessionChannelSftpPair = createChannel(sender);
 
-        Session session = sessionChannelSftpPair.first();
-        ChannelSftp sftpChannel = sessionChannelSftpPair.second();
+        Session session = sessionChannelSftpPair.getLeft();
+        ChannelSftp sftpChannel = sessionChannelSftpPair.getRight();
 
         if (sftpChannel == null) {
             return 0;