diff --git a/classes/boardgame.py b/classes/boardgame.py
index cb35778..b38c89d 100644
--- a/classes/boardgame.py
+++ b/classes/boardgame.py
@@ -12,7 +12,8 @@ class BoardGame(BaseModel):
     min_playing_time: int
     max_playing_time: int
     min_age: int
-    
+    all_expansion_ids: list[int]
+
 
 class BoardGameExpansion(BoardGame):
     pass
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