diff --git a/src/main/java/org/spigotmc/builder/Bootstrap.java b/src/main/java/org/spigotmc/builder/Bootstrap.java
index c2d2d9a..3f89710 100644
--- a/src/main/java/org/spigotmc/builder/Bootstrap.java
+++ b/src/main/java/org/spigotmc/builder/Bootstrap.java
@@ -11,7 +11,7 @@ public class Bootstrap
 
         if ( javaVersion.isUnknown() )
         {
-            System.err.println( "*** WARNING *** Unsupported Java detected (" + System.getProperty( "java.class.version" ) + "). BuildTools has only been tested up to Java 18. Use of development Java versions is not supported." );
+            System.err.println( "*** WARNING *** Unsupported Java detected (" + System.getProperty( "java.class.version" ) + "). BuildTools has only been tested up to Java 19. Use of development Java versions is not supported." );
             System.err.println( "*** WARNING *** You may use java -version to double check your Java version." );
         }
 
diff --git a/src/main/java/org/spigotmc/builder/JavaVersion.java b/src/main/java/org/spigotmc/builder/JavaVersion.java
index 2d68b99..e267669 100644
--- a/src/main/java/org/spigotmc/builder/JavaVersion.java
+++ b/src/main/java/org/spigotmc/builder/JavaVersion.java
@@ -24,6 +24,7 @@ public class JavaVersion
     public static final JavaVersion JAVA_16 = new JavaVersion( "Java 16", 60 );
     public static final JavaVersion JAVA_17 = new JavaVersion( "Java 17", 61 );
     public static final JavaVersion JAVA_18 = new JavaVersion( "Java 18", 62 );
+    public static final JavaVersion JAVA_19 = new JavaVersion( "Java 19", 63 );
     //
     private final String name;
     private final int version;