diff --git a/backend/src/main/java/com/edufocus/edufocus/registration/entity/Registration.java b/backend/src/main/java/com/edufocus/edufocus/registration/entity/Registration.java
index c5d302a..1d2870d 100644
--- a/backend/src/main/java/com/edufocus/edufocus/registration/entity/Registration.java
+++ b/backend/src/main/java/com/edufocus/edufocus/registration/entity/Registration.java
@@ -22,11 +22,11 @@ public class Registration {
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     private long id;
 
-    @ManyToOne
+    @ManyToOne(cascade = CascadeType.ALL)
     @JoinColumn(name = "user_id")
     private User user;
 
-    @ManyToOne
+    @ManyToOne(cascade = CascadeType.ALL)
     @JoinColumn(name = "lecture_id")
     private Lecture lecture;