No changes to the source are required :D
@@ -61,7 +61,7 @@
<javaVersion>1.7</javaVersion>
<!-- Change Bukkit Version HERE! -->
<bukkitVersion>1.8.8-R0.1-SNAPSHOT</bukkitVersion>
<bukkitVersion>1.9-pre1-SNAPSHOT</bukkitVersion>
</properties>
<profiles>
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