diff --git a/minecraft/minecraft-test/build.gradle b/minecraft/minecraft-test/build.gradle
index 0c790938f..a5e0f8ecf 100644
--- a/minecraft/minecraft-test/build.gradle
+++ b/minecraft/minecraft-test/build.gradle
@@ -76,6 +76,14 @@ dependencies {
 	// Include the external libraries on the classpath
 	def installerJson = new JsonSlurper().parse(rootProject.file("src/main/resources/fabric-installer.json"))
 	installerJson.libraries.common.each {
+		if (it.rules) {
+			if (it.rules.size() == 1 && it.rules.first().action == "disallow") {
+				return
+			}
+
+			throw new UnsupportedOperationException("Rules are not implemented yet")	
+		}
+
 		productionRuntime it.name
 	}