diff --git a/lombok.config b/lombok.config
index efd9271..95226a7 100644
--- a/lombok.config
+++ b/lombok.config
@@ -1 +1,2 @@
 lombok.anyConstructor.addConstructorProperties = true
+lombok.equalsAndHashCode.callSuper = call
diff --git a/src/main/java/mops/gruppen2/domain/event/AddUserEvent.java b/src/main/java/mops/gruppen2/domain/event/AddUserEvent.java
index 52b9fb2..69d1443 100644
--- a/src/main/java/mops/gruppen2/domain/event/AddUserEvent.java
+++ b/src/main/java/mops/gruppen2/domain/event/AddUserEvent.java
@@ -1,7 +1,6 @@
 package mops.gruppen2.domain.event;
 
-import lombok.Getter;
-import lombok.ToString;
+import lombok.Value;
 import lombok.extern.log4j.Log4j2;
 import mops.gruppen2.domain.exception.EventException;
 import mops.gruppen2.domain.helper.ValidationHelper;
@@ -12,16 +11,14 @@ import mops.gruppen2.domain.model.User;
 /**
  * Fügt einen einzelnen Nutzer einer Gruppe hinzu.
  */
-@Getter
-@ToString
+
 @Log4j2
+@Value
 public class AddUserEvent extends Event {
 
-    private String givenname;
-    private String familyname;
-    private String email;
-
-    private AddUserEvent() {}
+    String givenname;
+    String familyname;
+    String email;
 
     public AddUserEvent(Group group, User user) {
         super(group.getId(), user.getId());
diff --git a/src/main/java/mops/gruppen2/domain/event/CreateGroupEvent.java b/src/main/java/mops/gruppen2/domain/event/CreateGroupEvent.java
index 166f188..dbfb695 100644
--- a/src/main/java/mops/gruppen2/domain/event/CreateGroupEvent.java
+++ b/src/main/java/mops/gruppen2/domain/event/CreateGroupEvent.java
@@ -1,22 +1,18 @@
 package mops.gruppen2.domain.event;
 
-import lombok.Getter;
-import lombok.ToString;
+import lombok.Value;
 import lombok.extern.log4j.Log4j2;
 import mops.gruppen2.domain.model.Group;
 import mops.gruppen2.domain.model.Type;
 
 import java.util.UUID;
 
-@Getter
-@ToString
 @Log4j2
+@Value
 public class CreateGroupEvent extends Event {
 
-    private UUID groupParent;
-    private Type type;
-
-    private CreateGroupEvent() {}
+    UUID groupParent;
+    Type type;
 
     public CreateGroupEvent(UUID groupId, String userId, UUID parent, Type type) {
         super(groupId, userId);
diff --git a/src/main/java/mops/gruppen2/domain/event/DeleteGroupEvent.java b/src/main/java/mops/gruppen2/domain/event/DeleteGroupEvent.java
index 9ef2256..0b62ad7 100644
--- a/src/main/java/mops/gruppen2/domain/event/DeleteGroupEvent.java
+++ b/src/main/java/mops/gruppen2/domain/event/DeleteGroupEvent.java
@@ -1,18 +1,14 @@
 package mops.gruppen2.domain.event;
 
-import lombok.Getter;
-import lombok.ToString;
+import lombok.Value;
 import lombok.extern.log4j.Log4j2;
 import mops.gruppen2.domain.model.Group;
 import mops.gruppen2.domain.model.User;
 
-@Getter
-@ToString
 @Log4j2
+@Value
 public class DeleteGroupEvent extends Event {
 
-    private DeleteGroupEvent() {}
-
     public DeleteGroupEvent(Group group, User user) {
         super(group.getId(), user.getId());
     }
diff --git a/src/main/java/mops/gruppen2/domain/event/DeleteUserEvent.java b/src/main/java/mops/gruppen2/domain/event/DeleteUserEvent.java
index d142b49..12ba916 100644
--- a/src/main/java/mops/gruppen2/domain/event/DeleteUserEvent.java
+++ b/src/main/java/mops/gruppen2/domain/event/DeleteUserEvent.java
@@ -1,7 +1,6 @@
 package mops.gruppen2.domain.event;
 
-import lombok.Getter;
-import lombok.ToString;
+import lombok.Value;
 import lombok.extern.log4j.Log4j2;
 import mops.gruppen2.domain.exception.EventException;
 import mops.gruppen2.domain.helper.ValidationHelper;
@@ -11,13 +10,10 @@ import mops.gruppen2.domain.model.User;
 /**
  * Entfernt ein einzelnes Mitglied einer Gruppe.
  */
-@Getter
-@ToString
 @Log4j2
+@Value
 public class DeleteUserEvent extends Event {
 
-    private DeleteUserEvent() {}
-
     public DeleteUserEvent(Group group, User user) {
         super(group.getId(), user.getId());
     }
diff --git a/src/main/java/mops/gruppen2/domain/event/UpdateGroupDescriptionEvent.java b/src/main/java/mops/gruppen2/domain/event/UpdateGroupDescriptionEvent.java
index 765b2c6..a3fc8ad 100644
--- a/src/main/java/mops/gruppen2/domain/event/UpdateGroupDescriptionEvent.java
+++ b/src/main/java/mops/gruppen2/domain/event/UpdateGroupDescriptionEvent.java
@@ -1,7 +1,6 @@
 package mops.gruppen2.domain.event;
 
-import lombok.Getter;
-import lombok.ToString;
+import lombok.Value;
 import lombok.extern.log4j.Log4j2;
 import mops.gruppen2.domain.model.Description;
 import mops.gruppen2.domain.model.Group;
@@ -10,14 +9,11 @@ import mops.gruppen2.domain.model.User;
 /**
  * Ändert nur die Gruppenbeschreibung.
  */
-@Getter
-@ToString
 @Log4j2
+@Value
 public class UpdateGroupDescriptionEvent extends Event {
 
-    private Description groupDescription;
-
-    private UpdateGroupDescriptionEvent() {}
+    Description groupDescription;
 
     public UpdateGroupDescriptionEvent(Group group, User user, Description groupDescription) {
         super(group.getId(), user.getId());
diff --git a/src/main/java/mops/gruppen2/domain/event/UpdateGroupTitleEvent.java b/src/main/java/mops/gruppen2/domain/event/UpdateGroupTitleEvent.java
index 5942a26..f698879 100644
--- a/src/main/java/mops/gruppen2/domain/event/UpdateGroupTitleEvent.java
+++ b/src/main/java/mops/gruppen2/domain/event/UpdateGroupTitleEvent.java
@@ -1,7 +1,6 @@
 package mops.gruppen2.domain.event;
 
-import lombok.Getter;
-import lombok.ToString;
+import lombok.Value;
 import lombok.extern.log4j.Log4j2;
 import mops.gruppen2.domain.model.Group;
 import mops.gruppen2.domain.model.Title;
@@ -10,14 +9,11 @@ import mops.gruppen2.domain.model.User;
 /**
  * Ändert nur den Gruppentitel.
  */
-@Getter
-@ToString
 @Log4j2
+@Value
 public class UpdateGroupTitleEvent extends Event {
 
-    private Title newGroupTitle;
-
-    private UpdateGroupTitleEvent() {}
+    Title newGroupTitle;
 
     public UpdateGroupTitleEvent(Group group, User user, Title newGroupTitle) {
         super(group.getId(), user.getId());
diff --git a/src/main/java/mops/gruppen2/domain/event/UpdateRoleEvent.java b/src/main/java/mops/gruppen2/domain/event/UpdateRoleEvent.java
index 089af1f..2fc57dd 100644
--- a/src/main/java/mops/gruppen2/domain/event/UpdateRoleEvent.java
+++ b/src/main/java/mops/gruppen2/domain/event/UpdateRoleEvent.java
@@ -1,7 +1,6 @@
 package mops.gruppen2.domain.event;
 
-import lombok.Getter;
-import lombok.ToString;
+import lombok.Value;
 import lombok.extern.log4j.Log4j2;
 import mops.gruppen2.domain.exception.UserNotFoundException;
 import mops.gruppen2.domain.helper.ValidationHelper;
@@ -14,14 +13,11 @@ import java.util.UUID;
 /**
  * Aktualisiert die Gruppenrolle eines Teilnehmers.
  */
-@Getter
-@ToString
 @Log4j2
+@Value
 public class UpdateRoleEvent extends Event {
 
-    private Role newRole;
-
-    private UpdateRoleEvent() {}
+    Role newRole;
 
     public UpdateRoleEvent(UUID groupId, String userId, Role newRole) {
         super(groupId, userId);
diff --git a/src/main/java/mops/gruppen2/domain/event/UpdateUserLimitEvent.java b/src/main/java/mops/gruppen2/domain/event/UpdateUserLimitEvent.java
index a778295..030f48a 100644
--- a/src/main/java/mops/gruppen2/domain/event/UpdateUserLimitEvent.java
+++ b/src/main/java/mops/gruppen2/domain/event/UpdateUserLimitEvent.java
@@ -1,7 +1,6 @@
 package mops.gruppen2.domain.event;
 
-import lombok.Getter;
-import lombok.ToString;
+import lombok.Value;
 import lombok.extern.log4j.Log4j2;
 import mops.gruppen2.domain.exception.BadParameterException;
 import mops.gruppen2.domain.exception.EventException;
@@ -9,14 +8,11 @@ import mops.gruppen2.domain.model.Group;
 import mops.gruppen2.domain.model.Limit;
 import mops.gruppen2.domain.model.User;
 
-@Getter
-@ToString
 @Log4j2
+@Value
 public class UpdateUserLimitEvent extends Event {
 
-    private Limit userLimit;
-
-    private UpdateUserLimitEvent() {}
+    Limit userLimit;
 
     public UpdateUserLimitEvent(Group group, User user, Limit userLimit) {
         super(group.getId(), user.getId());