diff --git a/src/main/java/info/bukova/isspst/data/Invoicing.java b/src/main/java/info/bukova/isspst/data/Invoicing.java
index 19dfdfb5..a19107e8 100644
--- a/src/main/java/info/bukova/isspst/data/Invoicing.java
+++ b/src/main/java/info/bukova/isspst/data/Invoicing.java
@@ -1,5 +1,6 @@
 package info.bukova.isspst.data;
 
+import org.hibernate.annotations.Cascade;
 import org.hibernate.annotations.LazyCollection;
 import org.hibernate.annotations.LazyCollectionOption;
 
@@ -21,6 +22,7 @@ public class Invoicing extends BaseData implements Cloneable
 	
 	@OneToOne(fetch = FetchType.EAGER)
 	@JoinColumn(name = "REQUIREMENT_ID")
+	@Cascade(org.hibernate.annotations.CascadeType.SAVE_UPDATE)
 	private Requirement requirement;
 	
 	@OneToMany(cascade = CascadeType.ALL, orphanRemoval = true)