diff --git a/src/main/java/de/tum/cit/aet/artemis/exercise/service/sharing/SharingException.java b/src/main/java/de/tum/cit/aet/artemis/exercise/service/sharing/SharingException.java
index 6accff0ec2b5..77f6435172b6 100644
--- a/src/main/java/de/tum/cit/aet/artemis/exercise/service/sharing/SharingException.java
+++ b/src/main/java/de/tum/cit/aet/artemis/exercise/service/sharing/SharingException.java
@@ -1,5 +1,7 @@
 package de.tum.cit.aet.artemis.exercise.service.sharing;
 
+import java.io.Serial;
+
 import org.springframework.context.annotation.Profile;
 
 /**