diff --git a/SECURITY.md b/SECURITY.md
index 12dab535..adc91e1d 100644
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -19,13 +19,13 @@ These versions are no longer under active development, however we will look to r
 | Version             | Supported          | Support End: |
 | ------------------- | ------------------ | ------------ |
 | 2021.04             | :white_check_mark: | July 2021    |
-| 2021.02             | :white_check_mark: | June 2021    |
 
 ### No Longer Supported
 These versions are no longer supported at all. It is strongly advised to update if you are running any of these versions. 
 
 | Version             | Supported          | Support Ended:      |
 | ------------------- | ------------------ | ------------------- |
+| 2021.02             | :x:                | 6 June 2021         |
 | 2020.11             | :x:                | 3 May 2021          |
 | 6.0.x (Pre-Release) | :x:                | December 2020       |
 | < 2020.11           | :x:                | December 2020       |
diff --git a/pom.xml b/pom.xml
index 83483900..ba09abf3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>me.totalfreedom</groupId>
     <artifactId>TotalFreedomMod</artifactId>
-    <version>2021.04</version>
+    <version>2021.05</version>
     <packaging>jar</packaging>
 
     <properties>
@@ -39,6 +39,11 @@
     </scm>
 
     <repositories>
+        <repository>
+            <id>apache-snapshots</id>
+            <url>https://repository.apache.org/content/repositories/snapshots/</url>
+        </repository>
+
         <repository>
             <id>jitpack.io</id>
             <url>https://jitpack.io</url>
@@ -109,6 +114,11 @@
             <id>ess-repo</id>
             <url>https://ci.ender.zone/plugin/repository/everything/</url>
         </repository>
+
+        <repository>
+            <id>mattmalec-repo</id>
+            <url>https://repo.mattmalec.com/repository/releases</url>
+        </repository>
     </repositories>
 
     <dependencies>
@@ -144,7 +154,7 @@
         <dependency>
             <groupId>org.bstats</groupId>
             <artifactId>bstats-bukkit</artifactId>
-            <version>1.8</version>
+            <version>2.2.1</version>
             <scope>compile</scope>
         </dependency>
 
@@ -186,21 +196,21 @@
         <dependency>
             <groupId>net.dv8tion</groupId>
             <artifactId>JDA</artifactId>
-            <version>4.2.1_255</version>
+            <version>4.3.0_277</version>
             <scope>provided</scope>
         </dependency>
 
         <dependency>
             <groupId>net.coreprotect</groupId>
             <artifactId>coreprotect</artifactId>
-            <version>19.3</version>
+            <version>19.5</version>
             <scope>provided</scope>
         </dependency>
 
         <dependency>
             <groupId>com.sk89q.worldguard</groupId>
             <artifactId>worldguard-bukkit</artifactId>
-            <version>7.0.4</version>
+            <version>7.0.5</version>
             <scope>provided</scope>
         </dependency>
 
@@ -259,12 +269,26 @@
             <version>3.1.1</version>
             <scope>compile</scope>
         </dependency>
+
+        <dependency>
+            <groupId>com.mattmalec</groupId>
+            <artifactId>Pterodactyl4J</artifactId>
+            <version>2.BETA_47</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-shade-plugin</artifactId>
+            <version>3.3.0-SNAPSHOT</version>
+        </dependency>
+
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter</artifactId>
             <version>5.4.2</version>
             <scope>compile</scope>
         </dependency>
+
         <dependency>
             <groupId>org.eclipse.sisu</groupId>
             <artifactId>org.eclipse.sisu.inject</artifactId>
@@ -299,7 +323,7 @@
             <plugin>
                 <groupId>pl.project13.maven</groupId>
                 <artifactId>git-commit-id-plugin</artifactId>
-                <version>4.0.2</version>
+                <version>4.0.5</version>
                 <executions>
                     <execution>
                         <id>get-the-git-infos</id>
@@ -412,10 +436,12 @@
             </plugin>
 
             <!-- Shade -->
+            <!-- NOTE: This should only be temporary. This will need to be updated when a stable build comes out
+            that supports Java 16 -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>3.2.4</version>
+                <version>3.3.0-SNAPSHOT</version>
                 <executions>
                     <execution>
                         <phase>package</phase>
@@ -427,8 +453,7 @@
                             <relocations>
                                 <relocation>
                                     <pattern>io.papermc.lib</pattern>
-                                    <shadedPattern>me.totalfreedom.totalfreedommod.paperlib
-                                    </shadedPattern> <!-- Replace this -->
+                                    <shadedPattern>me.totalfreedom.totalfreedommod.paperlib</shadedPattern>
                                 </relocation>
                                 <relocation>
                                     <pattern>org.bstats</pattern>
@@ -446,6 +471,7 @@
                                     <include>com.github.speedxx:Mojangson</include>
                                     <include>org.bstats:bstats-bukkit</include>
                                     <include>org.jetbrains:annotations</include>
+                                    <include>com.mattmalec:Pterodactyl4J</include>
                                 </includes>
                             </artifactSet>
                         </configuration>
diff --git a/src/main/java/me/totalfreedom/totalfreedommod/Pterodactyl.java b/src/main/java/me/totalfreedom/totalfreedommod/Pterodactyl.java
index 12c0cefd..91a78ef3 100644
--- a/src/main/java/me/totalfreedom/totalfreedommod/Pterodactyl.java
+++ b/src/main/java/me/totalfreedom/totalfreedommod/Pterodactyl.java
@@ -1,26 +1,30 @@
 package me.totalfreedom.totalfreedommod;
 
-import java.io.IOException;
-import java.util.Arrays;
-import java.util.List;
+import com.mattmalec.pterodactyl4j.Permission;
+import com.mattmalec.pterodactyl4j.PowerAction;
+import com.mattmalec.pterodactyl4j.PteroAction;
+import com.mattmalec.pterodactyl4j.PteroBuilder;
+import com.mattmalec.pterodactyl4j.application.entities.ApplicationUser;
+import com.mattmalec.pterodactyl4j.application.entities.PteroApplication;
+import com.mattmalec.pterodactyl4j.application.managers.UserAction;
+import com.mattmalec.pterodactyl4j.client.entities.ClientServer;
+import com.mattmalec.pterodactyl4j.client.entities.ClientSubuser;
+import com.mattmalec.pterodactyl4j.client.entities.PteroClient;
 import joptsimple.internal.Strings;
 import me.totalfreedom.totalfreedommod.admin.Admin;
 import me.totalfreedom.totalfreedommod.config.ConfigEntry;
 import me.totalfreedom.totalfreedommod.rank.Rank;
 import me.totalfreedom.totalfreedommod.util.FLog;
-import me.totalfreedom.totalfreedommod.util.FUtil;
-import me.totalfreedom.totalfreedommod.util.Response;
-import org.json.simple.JSONObject;
-import org.json.simple.parser.ParseException;
 
 public class Pterodactyl extends FreedomService
 {
-
     public final String URL = ConfigEntry.PTERO_URL.getString();
-    private final String SERVER_KEY = ConfigEntry.PTERO_SERVER_KEY.getString();
     private final String ADMIN_KEY = ConfigEntry.PTERO_ADMIN_KEY.getString();
-    private final List<String> SERVER_HEADERS = Arrays.asList("Accept:Application/vnd.pterodactyl.v1+json", "Content-Type:application/json", "Authorization:Bearer " + SERVER_KEY);
-    private final List<String> ADMIN_HEADERS = Arrays.asList("Accept:Application/vnd.pterodactyl.v1+json", "Content-Type:application/json", "Authorization:Bearer " + ADMIN_KEY);
+    private final String CLIENT_KEY = ConfigEntry.PTERO_CLIENT_KEY.getString();
+    private final String IDENTIFIER = ConfigEntry.PTERO_SERVER_UUID.getString();
+    private final PteroApplication adminAPI = PteroBuilder.createApplication(URL, ADMIN_KEY);
+    private final PteroClient clientAPI = PteroBuilder.createClient(URL, CLIENT_KEY);
+    private final ClientServer server = clientAPI.retrieveServerByIdentifier(IDENTIFIER).execute();
 
     private boolean enabled = !Strings.isNullOrEmpty(URL);
 
@@ -43,163 +47,60 @@ public class Pterodactyl extends FreedomService
 
         if (!admin.isActive() || admin.getRank() != Rank.SENIOR_ADMIN)
         {
-            FLog.debug("Disabling ptero acc");
+            FLog.debug("Disabling Pterodactyl account");
             removeAccountFromServer(id);
             return;
         }
 
-        FLog.debug("Enabling ptero acc");
+        FLog.debug("Enabling Pterodactyl account");
         addAccountToServer(id);
     }
 
-    @SuppressWarnings("unchecked")
     public String createAccount(String username, String password)
     {
-        JSONObject json = new JSONObject();
-        json.put("username", username);
-        json.put("password", password);
-        json.put("email", username.toLowerCase() + "@" + ConfigEntry.PTERO_DEFAULT_EMAIL_DOMAIN.getString());
-        json.put("first_name", username);
-        json.put("last_name", "\u200E"); // required, so I made it appear empty
-
-        Response response;
-        JSONObject jsonResponse;
-        try
-        {
-            response = FUtil.sendRequest(URL + "/api/application/users", "POST", ADMIN_HEADERS, json.toJSONString());
-            jsonResponse = response.getJSONMessage();
-        }
-        catch (IOException | ParseException e)
-        {
-            FLog.severe(e);
-            return null;
-        }
-
-        return ((JSONObject)jsonResponse.get("attributes")).get("id").toString();
+        UserAction action = adminAPI.getUserManager().createUser()
+                .setUserName(username)
+                .setEmail(username.toLowerCase() + "@" + ConfigEntry.PTERO_DEFAULT_EMAIL_DOMAIN.getString())
+                .setFirstName(username)
+                .setLastName("\u200E") // Required - make it appear empty
+                .setPassword(password);
 
+        return action.execute().getId();
     }
 
-    public boolean deleteAccount(String id)
+    public void deleteAccount(String id)
     {
-        JSONObject json = new JSONObject();
-        try
-        {
-            return FUtil.sendRequest(URL + "/api/application/users/" + id, "DELETE", ADMIN_HEADERS, json.toJSONString()).getCode() == 204;
-        }
-        catch (IOException e)
-        {
-            FLog.severe(e);
-            return false;
-        }
+        ApplicationUser username = adminAPI.retrieveUserById(id).execute();
+        PteroAction<Void> action = adminAPI.getUserManager().deleteUser(username);
+        action.execute();
     }
 
-    @SuppressWarnings("unchecked")
     public void addAccountToServer(String id)
     {
-        String url = URL + "/api/client/servers/" + ConfigEntry.PTERO_SERVER_UUID.getString() + "/users";
-
-        JSONObject userData = getUserData(id);
-        if (userData == null)
-        {
-            FLog.severe("The Pterodactyl user with the ID of " + id + " was not found");
-            return;
-        }
-
-        JSONObject json = new JSONObject();
-        json.put("email", userData.get("email").toString());
-        json.put("permissions", Arrays.asList("control.console", "control.start", "control.restart", "control.stop", "control.kill"));
-
-        try
-        {
-            FUtil.sendRequest(url, "POST", SERVER_HEADERS, json.toJSONString());
-        }
-        catch (IOException e)
-        {
-            FLog.severe(e);
-        }
+        ApplicationUser username = adminAPI.retrieveUserById(id).execute();
+        String email = username.getEmail();
+        PteroAction<ClientServer> server = clientAPI.retrieveServerByIdentifier(IDENTIFIER);
+        server.execute().getSubuserManager().createUser()
+                .setEmail(email)
+                .setPermissions(Permission.CONTROL_PERMISSIONS).execute();
     }
 
     public void removeAccountFromServer(String id)
     {
-        JSONObject userData = getUserData(id);
-        if (userData == null)
-        {
-            FLog.severe("The Pterodactyl user with the ID of " + id + " was not found");
-            return;
-        }
-
-        String url = URL + "/api/client/servers/" + ConfigEntry.PTERO_SERVER_UUID.getString() + "/users/" + userData.get("uuid");
-
-        try
-        {
-            FUtil.sendRequest(url, "DELETE", SERVER_HEADERS, null);
-        }
-        catch (IOException e)
-        {
-            FLog.severe(e);
-        }
+        ApplicationUser username = adminAPI.retrieveUserById(id).execute();
+        PteroAction<ClientServer> server = clientAPI.retrieveServerByIdentifier(IDENTIFIER);
+        ClientSubuser clientSubuser = server.execute().getSubuser(username.getUUID()).retrieve().execute();
+        server.execute().getSubuserManager().deleteUser(clientSubuser).execute();
     }
 
-    public JSONObject getUserData(String id)
+    public void stopServer()
     {
-        Response response;
-        JSONObject jsonResponse;
-        try
-        {
-            response = FUtil.sendRequest(URL + "/api/application/users/" + id, "GET", ADMIN_HEADERS, null);
-            jsonResponse = response.getJSONMessage();
-
-        }
-        catch (IOException | ParseException e)
-        {
-            FLog.severe(e);
-            return null;
-        }
-
-        return (JSONObject)jsonResponse.get("attributes");
-
+        clientAPI.setPower(server, PowerAction.STOP).execute();
     }
 
-    // API patch function on users doesnt work rn, it throws 500 errors, so it's probably not written yet
-    @SuppressWarnings("unchecked")
-    public void setPassword(String id, String password)
+    public void restartServer()
     {
-        JSONObject json = new JSONObject();
-        json.put("password", password);
-
-        try
-        {
-            FUtil.sendRequest(URL + "/api/application/users/" + id, "PATCH", ADMIN_HEADERS, json.toJSONString());
-        }
-        catch (IOException e)
-        {
-            FLog.severe(e);
-        }
-    }
-
-    public String getURL()
-    {
-        return URL;
-    }
-
-    public String getServerKey()
-    {
-        return SERVER_KEY;
-    }
-
-    public String getAdminKey()
-    {
-        return ADMIN_KEY;
-    }
-
-    public List<String> getServerHeaders()
-    {
-        return SERVER_HEADERS;
-    }
-
-    public List<String> getAdminHeaders()
-    {
-        return ADMIN_HEADERS;
+        clientAPI.setPower(server, PowerAction.RESTART).execute();
     }
 
     public boolean isEnabled()
diff --git a/src/main/java/me/totalfreedom/totalfreedommod/command/Command_panel.java b/src/main/java/me/totalfreedom/totalfreedommod/command/Command_panel.java
index 364d58ff..37fdcc35 100644
--- a/src/main/java/me/totalfreedom/totalfreedommod/command/Command_panel.java
+++ b/src/main/java/me/totalfreedom/totalfreedommod/command/Command_panel.java
@@ -17,11 +17,9 @@ import org.bukkit.entity.Player;
 @CommandParameters(description = "Manage your Pterodactyl panel account", usage = "/<command> <create | delete>")
 public class Command_panel extends FreedomCommand
 {
-
     @Override
     public boolean run(CommandSender sender, Player playerSender, Command cmd, String commandLabel, String[] args, boolean senderIsConsole)
     {
-
         if (!plugin.ptero.isEnabled())
         {
             msg("Pterodactyl integration is currently disabled.", ChatColor.RED);
@@ -32,7 +30,7 @@ public class Command_panel extends FreedomCommand
 
         if (playerData.getDiscordID() == null)
         {
-            msg("You must have a linked discord account.", ChatColor.RED);
+            msg("You must have a linked Discord account.", ChatColor.RED);
             return true;
         }
 
@@ -63,13 +61,11 @@ public class Command_panel extends FreedomCommand
             }
 
             plugin.ptero.addAccountToServer(id);
-
             admin.setPteroID(id);
             plugin.al.save(admin);
             plugin.al.updateTables();
-
             plugin.dc.sendPteroInfo(playerData, username, password);
-            msg("Successfully created your Pterodactyl account. Check your DMs from " + plugin.dc.formatBotTag() + " on discord to get your credentials.", ChatColor.GREEN);
+            msg("Successfully created your Pterodactyl account. Check your DMs from " + plugin.dc.formatBotTag() + " on Discord to get your credentials.", ChatColor.GREEN);
             return true;
         }
         else if (args[0].equalsIgnoreCase("delete"))
@@ -83,18 +79,10 @@ public class Command_panel extends FreedomCommand
                 return true;
             }
 
-            boolean deleted = plugin.ptero.deleteAccount(admin.getPteroID());
-
-            if (!deleted)
-            {
-                msg("Failed to delete your Pterodactyl account.", ChatColor.RED);
-                return true;
-            }
-
+            plugin.ptero.deleteAccount(admin.getPteroID());
             admin.setPteroID(null);
             plugin.al.save(admin);
             plugin.al.updateTables();
-
             msg("Successfully deleted your Pterodactyl account.", ChatColor.GREEN);
             return true;
         }
diff --git a/src/main/java/me/totalfreedom/totalfreedommod/command/Command_restart.java b/src/main/java/me/totalfreedom/totalfreedommod/command/Command_restart.java
new file mode 100644
index 00000000..49117459
--- /dev/null
+++ b/src/main/java/me/totalfreedom/totalfreedommod/command/Command_restart.java
@@ -0,0 +1,77 @@
+package me.totalfreedom.totalfreedommod.command;
+
+import java.util.HashMap;
+import java.util.Map;
+import me.totalfreedom.totalfreedommod.rank.Rank;
+import me.totalfreedom.totalfreedommod.util.FUtil;
+import org.apache.commons.lang.StringUtils;
+import org.bukkit.ChatColor;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+import org.bukkit.scheduler.BukkitRunnable;
+
+@CommandPermissions(level = Rank.ADMIN, source = SourceType.BOTH)
+@CommandParameters(description = "Restart the server", usage = "/<command> [reason]")
+public class Command_restart extends FreedomCommand
+{
+    private static final Map<CommandSender, String> RESTART_CONFIRM = new HashMap<>();
+
+    @Override
+    public boolean run(final CommandSender sender, final Player playerSender, final Command cmd, final String commandLabel, final String[] args, final boolean senderIsConsole)
+    {
+        if (!plugin.ptero.isEnabled())
+        {
+            msg("Pterodactyl integration is currently disabled.", ChatColor.RED);
+            return true;
+        }
+
+        String reason = "Server is restarting!";
+
+        if (args.length != 0)
+        {
+            reason = StringUtils.join(args, " ");
+        }
+
+        if (sender.getName().equals("CONSOLE"))
+        {
+            restart(reason);
+            return true;
+        }
+        else if (RESTART_CONFIRM.containsKey(sender))
+        {
+            restart(RESTART_CONFIRM.get(sender));
+            return true;
+        }
+
+        msg("Warning: You're about to restart the server. Type /restart again to confirm you want to do this.");
+
+        RESTART_CONFIRM.put(sender, reason);
+        new BukkitRunnable()
+        {
+            @Override
+            public void run()
+            {
+                if (RESTART_CONFIRM.containsKey(sender))
+                {
+                    RESTART_CONFIRM.remove(sender);
+                    msg("Restart request expired.");
+                }
+            }
+        }.runTaskLater(plugin, 15 * 20);
+        return true;
+    }
+
+    public void restart(String reason)
+    {
+        FUtil.bcastMsg("Server is restarting!", ChatColor.LIGHT_PURPLE);
+
+        for (Player player : server.getOnlinePlayers())
+        {
+            player.kickPlayer(ChatColor.LIGHT_PURPLE + reason);
+        }
+
+        RESTART_CONFIRM.remove(sender);
+        plugin.ptero.restartServer();
+    }
+}
diff --git a/src/main/java/me/totalfreedom/totalfreedommod/command/Command_stop.java b/src/main/java/me/totalfreedom/totalfreedommod/command/Command_stop.java
index c160c59f..21e862d5 100644
--- a/src/main/java/me/totalfreedom/totalfreedommod/command/Command_stop.java
+++ b/src/main/java/me/totalfreedom/totalfreedommod/command/Command_stop.java
@@ -20,7 +20,6 @@ public class Command_stop extends FreedomCommand
     @Override
     public boolean run(CommandSender sender, Player playerSender, Command cmd, String commandLabel, String[] args, boolean senderIsConsole)
     {
-
         String reason = "Server is going offline, come back in about 20 seconds.";
 
         if (args.length != 0)
@@ -39,7 +38,6 @@ public class Command_stop extends FreedomCommand
             return true;
         }
 
-
         msg("Warning: You're about to stop the server. Type /stop again to confirm you want to do this.");
 
         STOP_CONFIRM.put(sender, reason);
@@ -69,6 +67,13 @@ public class Command_stop extends FreedomCommand
 
         STOP_CONFIRM.remove(sender);
 
-        server.shutdown();
+        if (plugin.ptero.isEnabled())
+        {
+            plugin.ptero.stopServer();
+        }
+        else
+        {
+            server.shutdown();
+        }
     }
 }
diff --git a/src/main/java/me/totalfreedom/totalfreedommod/config/ConfigEntry.java b/src/main/java/me/totalfreedom/totalfreedommod/config/ConfigEntry.java
index 05051905..2a20d747 100644
--- a/src/main/java/me/totalfreedom/totalfreedommod/config/ConfigEntry.java
+++ b/src/main/java/me/totalfreedom/totalfreedommod/config/ConfigEntry.java
@@ -91,7 +91,7 @@ public enum ConfigEntry
     PTERO_DEFAULT_EMAIL_DOMAIN(String.class, "ptero.default_email_domain"),
     PTERO_SERVER_UUID(String.class, "ptero.server_uuid"),
     PTERO_ADMIN_KEY(String.class, "ptero.admin_key"),
-    PTERO_SERVER_KEY(String.class, "ptero.server_key"),
+    PTERO_CLIENT_KEY(String.class, "ptero.client_key"),
     //
     SHOP_ENABLED(Boolean.class, "shop.enabled"),
     SHOP_TITLE(String.class, "shop.title"),
diff --git a/src/main/resources/config.yml b/src/main/resources/config.yml
index 3780220d..0a868335 100644
--- a/src/main/resources/config.yml
+++ b/src/main/resources/config.yml
@@ -85,18 +85,23 @@ discord:
   # Owner role ID
   server_owner_role_id: ''
 
-# Pterodactyl
+# Pterodactyl (requires Discord verification to be enabled)
 ptero:
   # URL - do not leave a trailing forward slash
   url: ''
   # The default email domain used to set email addresses for new users - do not include the @
   default_email_domain: 'example.com'
-  # Server UUID
+  # Short Server UUID (for example: a538a220)
+  # Do NOT give the long Server UUID
   server_uuid: ''
   # Admin panel API key
+  # Create this key by going to Settings > Application API > Create New
+  # Make sure you give it Users and Servers permissions
   admin_key: ''
-  # Server API key
-  server_key: ''
+  # Client API key
+  # Create a new user and add them as a subuser to the server with all control privileges.
+  # Then, login to the new user account and go to User Settings. Click on API Credentials and create a new one.
+  client_key: ''
 
 # The shop
 shop: