diff --git a/pom.xml b/pom.xml
index e3787c7..feef81b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,14 +6,14 @@
 
     <groupId>vpd.bowandaero12</groupId>
     <artifactId>FurnaceLevels</artifactId>
-    <version>2.0</version>
+    <version>2.1</version>
     <packaging>jar</packaging>
 
     <name>FurnaceLevels</name>
     <description>Öfen werden bis Stufe 5 schneller!</description>
 
     <properties>
-        <java.version>17</java.version>
+        <java.version>21</java.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
@@ -47,7 +47,7 @@
         <dependency>
             <groupId>com.comphenix.protocol</groupId>
             <artifactId>ProtocolLib</artifactId>
-            <version>5.2.0</version>
+            <version>5.4.0</version>
             <scope>system</scope>
             <systemPath>C:/Users/Viper/Desktop/ProtocolLib.jar</systemPath>
         </dependency>