diff --git a/__pycache__/dbtable.cpython-311.pyc b/__pycache__/dbtable.cpython-311.pyc
index 17f5303..2cfa858 100644
Binary files a/__pycache__/dbtable.cpython-311.pyc and b/__pycache__/dbtable.cpython-311.pyc differ
diff --git a/tables/__pycache__/dish_table.cpython-311.pyc b/tables/__pycache__/dish_table.cpython-311.pyc
index e2c5e08..da22a23 100644
Binary files a/tables/__pycache__/dish_table.cpython-311.pyc and b/tables/__pycache__/dish_table.cpython-311.pyc differ
diff --git a/tables/dish_table.py b/tables/dish_table.py
index e160a16..6704b99 100644
--- a/tables/dish_table.py
+++ b/tables/dish_table.py
@@ -8,7 +8,7 @@ class DishTable(DbTable):
 
     def columns(self):
         return {"id": ["serial", "PRIMARY KEY"],
-                "cath_id": ["integer", "REFERENCES cath(id)", "NOT NULL"],
+                "cath_id": ["integer", "REFERENCES cath(id) ON DELETE CASCADE", "NOT NULL"],
                 "dish_name": ["varchar(32)", "NOT NULL"],
                 "cook_time": ["interval"], 
                 "manual": ["text"]}