diff --git a/src/main/java/de/fullrisk/citrusDev/client/PlaytimeTracker.java b/src/main/java/de/fullrisk/citrusDev/client/PlaytimeTracker.java
index 4bb779d..5b907cc 100644
--- a/src/main/java/de/fullrisk/citrusDev/client/PlaytimeTracker.java
+++ b/src/main/java/de/fullrisk/citrusDev/client/PlaytimeTracker.java
@@ -45,12 +45,14 @@ public class PlaytimeTracker {
         }
 
         UUID uuid = client.player.getUUID();
+        String username = client.player.getName().getString();
 
         String json = """
                 {
-                    "uuid": "%s"
+                    "uuid": "%s",
+                    "username": "%s"
                 }
-                """.formatted(uuid);
+                """.formatted(uuid, username);
 
         HttpRequest request = HttpRequest.newBuilder()
                 .uri(URI.create(CitrusDevClient.API_URL + "/api/heartbeat"))