Trey’s Double Jump error (1.15.1, PaperMC)

[04:55:30 ERROR]: Error occurred while enabling TreysDoubleJump v2.3.0 (Is it up to date?)
java.lang.NoClassDefFoundError: org/apache/commons/io/FileUtils
        at me.treyruffy.treysdoublejump.Util.UpdateManager.setup(UpdateManager.java:28) ~[?:?]
        at me.treyruffy.treysdoublejump.TreysDoubleJump.onEnable(TreysDoubleJump.java:36) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263) ~[patched_1.15.1.jar:git-Paper-57]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:338) ~[patched_1.15.1.jar:git-Paper-57]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:420) ~[patched_1.15.1.jar:git-Paper-57]
        at org.bukkit.craftbukkit.v1_15_R1.CraftServer.enablePlugin(CraftServer.java:468) ~[patched_1.15.1.jar:git-Paper-57]
        at org.bukkit.craftbukkit.v1_15_R1.CraftServer.enablePlugins(CraftServer.java:382) ~[patched_1.15.1.jar:git-Paper-57]
        at net.minecraft.server.v1_15_R1.MinecraftServer.a(MinecraftServer.java:481) ~[patched_1.15.1.jar:git-Paper-57]
        at net.minecraft.server.v1_15_R1.DedicatedServer.init(DedicatedServer.java:290) ~[patched_1.15.1.jar:git-Paper-57]
        at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:884) ~[patched_1.15.1.jar:git-Paper-57]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_231]
Caused by: java.lang.ClassNotFoundException: org.apache.commons.io.FileUtils
        at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.8.0_231]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:139) ~[patched_1.15.1.jar:git-Paper-57]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:85) ~[patched_1.15.1.jar:git-Paper-57]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_231]
        at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_231]
        ... 11 more