Bukkit

Hello,
Please can you update your plugin because on Spigot 1.9 version the console generate many error :
Thanks a lot.

[01:52:15] [Craft Scheduler Thread - 0/WARN]: Exception in thread "Craft Scheduler Thread - 0"
[01:52:15] [Craft Scheduler Thread - 0/WARN]: org.apache.commons.lang.UnhandledException: Plugin ChunkSpawnerLimiter v3.0.4 generated an exception while executing task 2
    at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NoSuchMethodError: org.bukkit.Server.getOnlinePlayers()[Lorg/bukkit/entity/Player;
    at org.mcstats.Metrics.postPlugin(Metrics.java:357)
    at org.mcstats.Metrics.access$4(Metrics.java:350)
    at org.mcstats.Metrics$1.run(Metrics.java:245)
    at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftTask.run(CraftTask.java:71)
    at org.bukkit.craftbukkit.v1_9_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
    ... 3 more

Please update!