diff --git a/MvnDemo/pom.xml b/MvnDemo/pom.xml
index 6a86489..df9f3d4 100644
--- a/MvnDemo/pom.xml
+++ b/MvnDemo/pom.xml
@@ -113,14 +113,15 @@
 					<outjar>${project.build.finalName}-protected.jar</outjar>
 					<obfuscate>true</obfuscate>
 					<options>
-						<option>-keep public class de.hs_mannheim.informatik.mvn.Main {
+						<option>
+							-keep class !de.hs_mannheim.informatik.** { *; }
+							
+							-keep public class de.hs_mannheim.informatik.mvn.Main {
 								public static void main(java.lang.String[]); 
 							}
-						</option>
-						<option>-keepclassmembers enum * {
-    								public static **[] values();
-    								public static ** valueOf(java.lang.String);
-				            }		
+							
+							-keepattributes *Annotation*
+							-keepattributes Signature
 						</option>
 						<!-- Da Shade alle Libs zusammenfügt, brauchst du oft
 						mehr -dontwarn Regeln -->