diff --git a/src/main/java/uulm/teamname/marvelous/gamelibrary/messages/BasicMessage.java b/src/main/java/uulm/teamname/marvelous/gamelibrary/messages/BasicMessage.java
index 779b4cb..d514c0c 100644
--- a/src/main/java/uulm/teamname/marvelous/gamelibrary/messages/BasicMessage.java
+++ b/src/main/java/uulm/teamname/marvelous/gamelibrary/messages/BasicMessage.java
@@ -7,6 +7,10 @@ import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import uulm.teamname.marvelous.gamelibrary.messages.client.*;
 import uulm.teamname.marvelous.gamelibrary.messages.server.*;
 
+import com.fasterxml.jackson.annotation.JsonTypeInfo.As;
+import com.fasterxml.jackson.annotation.JsonTypeInfo.Id;
+import com.fasterxml.jackson.annotation.JsonInclude.Include;
+
 import java.util.Objects;
 
 /**
@@ -14,7 +18,7 @@ import java.util.Objects;
  * messageType, as fields that aren't sent are null. Note that most messages are not deserialized into the {@link
  * BasicMessage}, but instead into messages such as the {@link EventMessage} or {@link GameAssignmentMessage}.
  */
-@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = JsonTypeInfo.As.EXISTING_PROPERTY, property = "messageType")
+@JsonTypeInfo(use = Id.NAME, include = As.EXISTING_PROPERTY, property = "messageType")
 @JsonSubTypes({
         @Type(value = HelloClientMessage.class, name = "HELLO_CLIENT"),
         @Type(value = HelloServerMessage.class, name = "HELLO_SERVER"),
@@ -30,7 +34,7 @@ import java.util.Objects;
         @Type(value = RequestMessage.class, name = "REQUESTS"),
         @Type(value = GoodbyeClientMessage.class, name = "GOODBYE_CLIENT")
 })
-@JsonInclude(JsonInclude.Include.NON_NULL)
+@JsonInclude(Include.NON_NULL)
 public class BasicMessage {
 
     /* The messageType describes the type of message that might be sent. Override this with the local MessageType. */