diff --git a/SchematicSystem/SchematicSystem_20/build.gradle.kts b/SchematicSystem/SchematicSystem_20/build.gradle.kts
index 5847dbfb..048f1a64 100644
--- a/SchematicSystem/SchematicSystem_20/build.gradle.kts
+++ b/SchematicSystem/SchematicSystem_20/build.gradle.kts
@@ -25,6 +25,7 @@ dependencies {
     compileOnly(project(":SpigotCore", "default"))
     compileOnly(project(":SchematicSystem:SchematicSystem_Core", "default"))
     compileOnly(project(":SchematicSystem:SchematicSystem_19", "default"))
+    compileOnly(project(":SchematicSystem:SchematicSystem_15", "default"))
 
     compileOnly(libs.spigotapi)