diff --git a/pom.xml b/pom.xml
index 1429a57..3974b85 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>net.t2code</groupId>
     <artifactId>T2CodeLib</artifactId>
-    <version>16.9</version>
+    <version>17.0_beta-1</version>
     <!--version>VERSION_snapshot-0</version-->
     <!--version>VERSION_beta-0</version-->
     <!--version>VERSION_dev-0</version-->
@@ -166,7 +166,7 @@
         <dependency>
             <groupId>me.clip</groupId>
             <artifactId>placeholderapi</artifactId>
-            <version>2.11.3</version>
+            <version>2.11.6</version>
             <scope>provided</scope>
         </dependency>
 
@@ -174,7 +174,7 @@
         <dependency>
             <groupId>com.bencodez</groupId>
             <artifactId>votingplugin</artifactId>
-            <version>6.12.1</version>
+            <version>6.18.3</version>
             <scope>provided</scope>
         </dependency>
 
@@ -182,7 +182,7 @@
         <dependency>
             <groupId>net.kyori</groupId>
             <artifactId>adventure-text-minimessage</artifactId>
-            <version>4.18.0-SNAPSHOT</version>
+            <version>4.19.0</version>
             <scope>compile</scope>
         </dependency>
         <dependency>
diff --git a/src/main/java/net/t2code/t2codelib/BUNGEE/system/pluginMessaging/T2CplmsgBcmd.java b/src/main/java/net/t2code/t2codelib/BUNGEE/system/pluginMessaging/T2CplmsgBcmd.java
index 2b7970e..bae5db0 100644
--- a/src/main/java/net/t2code/t2codelib/BUNGEE/system/pluginMessaging/T2CplmsgBcmd.java
+++ b/src/main/java/net/t2code/t2codelib/BUNGEE/system/pluginMessaging/T2CplmsgBcmd.java
@@ -2,6 +2,7 @@ package net.t2code.t2codelib.BUNGEE.system.pluginMessaging;
 
 import net.md_5.bungee.api.ProxyServer;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
+import net.md_5.bungee.api.connection.Server;
 import net.md_5.bungee.api.event.PluginMessageEvent;
 import net.md_5.bungee.api.plugin.Listener;
 import net.md_5.bungee.event.EventHandler;
@@ -16,6 +17,12 @@ public class T2CplmsgBcmd implements Listener {
     @EventHandler
     public void onPluginmessage(PluginMessageEvent event) {
         if (event.getTag().equalsIgnoreCase("t2c:bcmd")) {
+
+            if (!(event.getSender() instanceof Server)) {
+                ProxyServer.getInstance().getConsole().sendMessage("§c[Security] Blocked unauthorized plugin message from a player ("+ event.getSender().toString() +")!");
+                return;
+            }
+
             event.setCancelled(true);
             DataInputStream stream = new DataInputStream(new ByteArrayInputStream(event.getData()));
             try {
diff --git a/src/main/java/net/t2code/t2codelib/BUNGEE/system/pluginMessaging/autoResponse/T2CapiAutoResponse.java b/src/main/java/net/t2code/t2codelib/BUNGEE/system/pluginMessaging/autoResponse/T2CapiAutoResponse.java
index 50e46ec..1cba19d 100644
--- a/src/main/java/net/t2code/t2codelib/BUNGEE/system/pluginMessaging/autoResponse/T2CapiAutoResponse.java
+++ b/src/main/java/net/t2code/t2codelib/BUNGEE/system/pluginMessaging/autoResponse/T2CapiAutoResponse.java
@@ -2,6 +2,7 @@ package net.t2code.t2codelib.BUNGEE.system.pluginMessaging.autoResponse;
 
 import net.md_5.bungee.api.ProxyServer;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
+import net.md_5.bungee.api.connection.Server;
 import net.md_5.bungee.api.event.PluginMessageEvent;
 import net.md_5.bungee.api.plugin.Listener;
 import net.md_5.bungee.event.EventHandler;
@@ -16,6 +17,12 @@ public class T2CapiAutoResponse implements Listener {
     @EventHandler
     public void onPluginmessage(PluginMessageEvent event) {
         if (event.getTag().equalsIgnoreCase("t2c:aresp")) {
+
+            if (!(event.getSender() instanceof Server)) {
+                ProxyServer.getInstance().getConsole().sendMessage("§c[Security] Blocked unauthorized plugin message from a player ("+ event.getSender().toString() +")!");
+                return;
+            }
+
             DataInputStream stream = new DataInputStream(new ByteArrayInputStream(event.getData()));
             event.setCancelled(true);
             try {
diff --git a/src/main/java/net/t2code/t2codelib/BUNGEE/system/pluginMessaging/opSecurity/T2CapiOpSecurity.java b/src/main/java/net/t2code/t2codelib/BUNGEE/system/pluginMessaging/opSecurity/T2CapiOpSecurity.java
index c30b657..ac58a26 100644
--- a/src/main/java/net/t2code/t2codelib/BUNGEE/system/pluginMessaging/opSecurity/T2CapiOpSecurity.java
+++ b/src/main/java/net/t2code/t2codelib/BUNGEE/system/pluginMessaging/opSecurity/T2CapiOpSecurity.java
@@ -1,6 +1,7 @@
 package net.t2code.t2codelib.BUNGEE.system.pluginMessaging.opSecurity;
 
 import net.md_5.bungee.api.ProxyServer;
+import net.md_5.bungee.api.connection.Server;
 import net.md_5.bungee.api.event.PluginMessageEvent;
 import net.md_5.bungee.api.plugin.Listener;
 import net.md_5.bungee.event.EventHandler;
@@ -13,6 +14,12 @@ public class T2CapiOpSecurity implements Listener {
     @EventHandler
     public void onPluginmessage(PluginMessageEvent event) {
         if (event.getTag().equalsIgnoreCase("t2c:opsec")) {
+
+            if (!(event.getSender() instanceof Server)) {
+                ProxyServer.getInstance().getConsole().sendMessage("§c[Security] Blocked unauthorized plugin message from a player ("+ event.getSender().toString() +")!");
+                return;
+            }
+
             event.setCancelled(true);
             DataInputStream stream = new DataInputStream(new ByteArrayInputStream(event.getData()));
             try {