diff --git a/pom.xml b/pom.xml
index 8810fa769..2bc1445a9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -54,7 +54,7 @@
         <dependency>
             <groupId>org.ow2.asm</groupId>
             <artifactId>asm</artifactId>
-            <version>9.3</version>
+            <version>9.4</version>
             <scope>compile</scope>
         </dependency>
         <!-- Mojang depends -->
@@ -360,19 +360,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-shade-plugin</artifactId>
-                <version>3.2.4</version>
-                <dependencies>
-                    <dependency>
-                        <groupId>org.ow2.asm</groupId>
-                        <artifactId>asm</artifactId>
-                        <version>9.3</version>
-                    </dependency>
-                    <dependency>
-                        <groupId>org.ow2.asm</groupId>
-                        <artifactId>asm-commons</artifactId>
-                        <version>9.3</version>
-                    </dependency>
-                </dependencies>
+                <version>3.4.1</version>
                 <executions>
                     <execution>
                         <phase>package</phase>
diff --git a/src/main/java/org/bukkit/craftbukkit/Main.java b/src/main/java/org/bukkit/craftbukkit/Main.java
index 934df0d20..66d207a8a 100644
--- a/src/main/java/org/bukkit/craftbukkit/Main.java
+++ b/src/main/java/org/bukkit/craftbukkit/Main.java
@@ -155,8 +155,8 @@ public class Main {
                 System.err.println("Unsupported Java detected (" + javaVersion + "). This version of Minecraft requires at least Java 17. Check your Java version with the command 'java -version'.");
                 return;
             }
-            if (javaVersion > 63.0) {
-                System.err.println("Unsupported Java detected (" + javaVersion + "). Only up to Java 19 is supported.");
+            if (javaVersion > 64.0) {
+                System.err.println("Unsupported Java detected (" + javaVersion + "). Only up to Java 20 is supported.");
                 return;
             }