diff --git a/pom.xml b/pom.xml
index 483a210..48a002a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,11 +7,11 @@
     <groupId>com.glyart.authmevelocity</groupId>
     <artifactId>parent</artifactId>
     <packaging>pom</packaging>
-    <version>1.4.0</version>
+    <version>1.5.0</version>
 
     <properties>
-        <maven.compiler.source>16</maven.compiler.source>
-        <maven.compiler.target>16</maven.compiler.target>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
     </properties>
 
     <pluginRepositories>
@@ -34,8 +34,8 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.9.0</version>
                 <configuration>
-                    <source>16</source>
-                    <target>16</target>
+                    <source>11</source>
+                    <target>11</target>
                 </configuration>
             </plugin>
         </plugins>
diff --git a/proxy/pom.xml b/proxy/pom.xml
index 63f4a6f..c3f32ac 100644
--- a/proxy/pom.xml
+++ b/proxy/pom.xml
@@ -5,13 +5,13 @@
     <parent>
         <artifactId>parent</artifactId>
         <groupId>com.glyart.authmevelocity</groupId>
-        <version>1.4.0</version>
+        <version>1.5.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <properties>
-        <maven.compiler.source>16</maven.compiler.source>
-        <maven.compiler.target>16</maven.compiler.target>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
     </properties>
 
     <artifactId>proxy</artifactId>
diff --git a/proxy/src/main/java/com/glyart/authmevelocity/proxy/config/AuthMeConfig.java b/proxy/src/main/java/com/glyart/authmevelocity/proxy/config/AuthMeConfig.java
index 19041c9..8e898e0 100644
--- a/proxy/src/main/java/com/glyart/authmevelocity/proxy/config/AuthMeConfig.java
+++ b/proxy/src/main/java/com/glyart/authmevelocity/proxy/config/AuthMeConfig.java
@@ -13,12 +13,7 @@ import org.spongepowered.configurate.objectmapping.ConfigSerializable;
 import org.spongepowered.configurate.objectmapping.meta.Comment;
 
 public class AuthMeConfig {
-    private static final String HEADER = """
-        AuthmeVelocity Proxy
-
-        Original Developer: xQuickGlare
-        Current Developer: 4drian3d
-        """;
+    private static final String HEADER = "AuthmeVelocity Proxy\n\nOriginal Developer: xQuickGlare\nCurrent Developer: 4drian3d";
     private static final HoconConfigurationLoader.Builder configBuilder = HoconConfigurationLoader.builder()
         .defaultOptions(opts -> opts
             .shouldCopyDefaults(true)
@@ -70,10 +65,7 @@ public class AuthMeConfig {
         @Comment("Send logged in players to another server?")
         private boolean sendToServerOnLogin = false;
 
-        @Comment("""
-        List of servers to send
-        One of these servers will be chosen at random
-        """)
+        @Comment("List of servers to send\nOne of these servers will be chosen at random")
         private List<String> teleportServers = List.of(
             "lobby1",
             "lobby2"
@@ -100,9 +92,7 @@ public class AuthMeConfig {
             "captcha"
         );
 
-        @Comment("""
-        Sets the message to send in case a non-logged-in player executes an unauthorized command
-        To deactivate the message, leave it empty""")
+        @Comment("Sets the message to send in case a non-logged-in player executes an unauthorized command\nTo deactivate the message, leave it empty")
         private String blockedCommandMessage = "&4You cannot execute commands if you are not logged in yet";
 
         public Set<String> getAllowedCommands(){
diff --git a/proxy/src/main/java/com/glyart/authmevelocity/proxy/event/PreSendOnLoginEvent.java b/proxy/src/main/java/com/glyart/authmevelocity/proxy/event/PreSendOnLoginEvent.java
index a4e73d5..41672e8 100644
--- a/proxy/src/main/java/com/glyart/authmevelocity/proxy/event/PreSendOnLoginEvent.java
+++ b/proxy/src/main/java/com/glyart/authmevelocity/proxy/event/PreSendOnLoginEvent.java
@@ -11,7 +11,7 @@ import com.velocitypowered.api.proxy.server.RegisteredServer;
  * Event to be executed just before sending a player to another server after login/registration.
  * Here you have the ability to deny the event.
  */
-public class PreSendOnLoginEvent implements ResultedEvent<GenericResult> {
+public final class PreSendOnLoginEvent implements ResultedEvent<GenericResult> {
 
     private GenericResult result = GenericResult.allowed();
     private final Player player;
diff --git a/proxy/src/main/java/com/glyart/authmevelocity/proxy/event/ProxyLoginEvent.java b/proxy/src/main/java/com/glyart/authmevelocity/proxy/event/ProxyLoginEvent.java
index 8533a39..ea41248 100644
--- a/proxy/src/main/java/com/glyart/authmevelocity/proxy/event/ProxyLoginEvent.java
+++ b/proxy/src/main/java/com/glyart/authmevelocity/proxy/event/ProxyLoginEvent.java
@@ -7,4 +7,14 @@ import org.jetbrains.annotations.NotNull;
 /**
  * Event executed in case the player is successfully logged in
  */
-public record ProxyLoginEvent(@NotNull Player player) {}
+public final class ProxyLoginEvent {
+    private final Player player;
+
+    public ProxyLoginEvent(@NotNull Player player){
+        this.player = player;
+    }
+
+    public @NotNull Player getPlayer(){
+        return this.player;
+    }
+}
diff --git a/proxy/src/main/java/com/glyart/authmevelocity/proxy/event/ProxyLogoutEvent.java b/proxy/src/main/java/com/glyart/authmevelocity/proxy/event/ProxyLogoutEvent.java
index 416671b..e9975ad 100644
--- a/proxy/src/main/java/com/glyart/authmevelocity/proxy/event/ProxyLogoutEvent.java
+++ b/proxy/src/main/java/com/glyart/authmevelocity/proxy/event/ProxyLogoutEvent.java
@@ -4,4 +4,14 @@ import com.velocitypowered.api.proxy.Player;
 
 import org.jetbrains.annotations.NotNull;
 
-public record ProxyLogoutEvent(@NotNull Player player) {}
+public final class ProxyLogoutEvent {
+    private final Player player;
+
+    public ProxyLogoutEvent(@NotNull Player player){
+        this.player = player;
+    }
+
+    public @NotNull Player getPlayer(){
+        return this.player;
+    }
+}
diff --git a/proxy/src/main/java/com/glyart/authmevelocity/proxy/event/ProxyRegisterEvent.java b/proxy/src/main/java/com/glyart/authmevelocity/proxy/event/ProxyRegisterEvent.java
index 20c2e43..8dd59b9 100644
--- a/proxy/src/main/java/com/glyart/authmevelocity/proxy/event/ProxyRegisterEvent.java
+++ b/proxy/src/main/java/com/glyart/authmevelocity/proxy/event/ProxyRegisterEvent.java
@@ -4,4 +4,14 @@ import com.velocitypowered.api.proxy.Player;
 
 import org.jetbrains.annotations.NotNull;
 
-public record ProxyRegisterEvent(@NotNull Player player){}
+public final class ProxyRegisterEvent {
+    private final Player player;
+
+    public ProxyRegisterEvent(@NotNull Player player){
+        this.player = player;
+    }
+
+    public @NotNull Player getPlayer(){
+        return this.player;
+    }
+}
diff --git a/proxy/src/main/java/com/glyart/authmevelocity/proxy/listener/PluginMessageListener.java b/proxy/src/main/java/com/glyart/authmevelocity/proxy/listener/PluginMessageListener.java
index 0695e01..44e26b6 100644
--- a/proxy/src/main/java/com/glyart/authmevelocity/proxy/listener/PluginMessageListener.java
+++ b/proxy/src/main/java/com/glyart/authmevelocity/proxy/listener/PluginMessageListener.java
@@ -36,10 +36,11 @@ public class PluginMessageListener {
 
     @Subscribe
     public void onPluginMessage(final PluginMessageEvent event, Continuation continuation) {
-        if (!(event.getSource() instanceof ServerConnection connection) || !event.getIdentifier().getId().equals("authmevelocity:main")){
+        if (!(event.getSource() instanceof ServerConnection) || !event.getIdentifier().getId().equals("authmevelocity:main")){
             continuation.resume();
             return;
         }
+        ServerConnection connection = ((ServerConnection)event.getSource());
 
         event.setResult(PluginMessageEvent.ForwardResult.handled());
 
@@ -47,24 +48,24 @@ public class PluginMessageListener {
         final String sChannel = input.readUTF();
         final Player loggedPlayer = connection.getPlayer();
         switch(sChannel){
-            case "LOGIN" -> {
+            case "LOGIN" :
                 if (AuthmeVelocityAPI.addPlayer(loggedPlayer)){
                     createServerConnectionRequest(loggedPlayer, config, proxy, logger, connection);
                 }
                 continuation.resume();
-            }
-            case "LOGOUT" -> {
+                break;
+            case "LOGOUT":
                 if(AuthmeVelocityAPI.removePlayer(loggedPlayer)){
                     proxy.getEventManager().fireAndForget(new ProxyLogoutEvent(loggedPlayer));
                 }
                 continuation.resume();
-            }
-            case "REGISTER" -> {
+                break;
+            case "REGISTER":
                 proxy.getEventManager().fireAndForget(new ProxyRegisterEvent(loggedPlayer));
                 continuation.resume();
-            }
+                break;
 
-            default -> continuation.resume();
+            default: continuation.resume();
         }
     }
 
diff --git a/spigot/pom.xml b/spigot/pom.xml
index 4ac59af..cd2da68 100644
--- a/spigot/pom.xml
+++ b/spigot/pom.xml
@@ -5,15 +5,15 @@
     <parent>
         <artifactId>parent</artifactId>
         <groupId>com.glyart.authmevelocity</groupId>
-        <version>1.4.0</version>
+        <version>1.5.0</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>spigot</artifactId>
 
     <properties>
-        <maven.compiler.source>16</maven.compiler.source>
-        <maven.compiler.target>16</maven.compiler.target>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
     </properties>
 
     <repositories>