diff --git a/runelite-api/src/main/java/net/runelite/api/widgets/WidgetID.java b/runelite-api/src/main/java/net/runelite/api/widgets/WidgetID.java
index a0e7b3dced..e52486139e 100644
--- a/runelite-api/src/main/java/net/runelite/api/widgets/WidgetID.java
+++ b/runelite-api/src/main/java/net/runelite/api/widgets/WidgetID.java
@@ -107,6 +107,7 @@ public class WidgetID
 	public static final int VARROCK_MUSEUM_QUIZ_GROUP_ID = 533;
 	public static final int KILL_LOGS_GROUP_ID = 549;
 	public static final int DIARY_QUEST_GROUP_ID = 275;
+	public static final int THEATRE_OF_BLOOD_GROUP_ID = 23;
 
 	static class WorldMap
 	{