diff --git a/KotlinCore/src/plugin.yml b/KotlinCore/src/plugin.yml
index a78a81ae..c826eed4 100644
--- a/KotlinCore/src/plugin.yml
+++ b/KotlinCore/src/plugin.yml
@@ -2,3 +2,4 @@ name: KotlinCore
 version: '2.0.0'
 main: de.steamwar.kotlin.KotlinCore
 load: POSTWORLD
+api-version: '1.13'