diff --git a/build.gradle b/build.gradle
index 0f30ca8..2f8b3ac 100644
--- a/build.gradle
+++ b/build.gradle
@@ -66,7 +66,8 @@ dependencies {
 }
 
 compileJava { //mappings for lillero-processor
-	options.compilerArgs << '-AmappingsFile=https://data.fantabos.co/output.tsrg'
+	options.compilerArgs << '-AmappingsFile=https://data.fantabos.co/1.16.5.tsrg'
+	options.compilerArgs << '-AobfuscateInjectorMetadata=true'
 }
 
 jar {