Cant use it after PocketMine Update

[Herobr1ne]

Hello,
Cant use it after PocketMine Update

[13:04:09.485] [Server thread/CRITICAL]: Could not load plugin 'Slapper': Incompatible API version (plugin requires one of: 3.0.0-ALPHA9, 3.0.0-ALPHA10)
[13:04:09.488] [Server thread/CRITICAL]: Could not load plugin 'SlapperRotation': Incompatible API version (plugin requires one of: 3.0.0)

How can I fix the issue

[scamaccas]

download here https://poggit.pmmp.io/p/Slapper/