diff --git a/database_cleanup/models/purge_tables.py b/database_cleanup/models/purge_tables.py
index cde69fd8799..8d2dcf60919 100644
--- a/database_cleanup/models/purge_tables.py
+++ b/database_cleanup/models/purge_tables.py
@@ -72,7 +72,7 @@ def purge(self):
                     )
 
             self.logger.info("Dropping table %s", line.name)
-            self.env.cr.execute("DROP TABLE %s", (IdentifierAdapter(line.name),))
+            self.env.cr.execute("DROP TABLE %s CASCADE", (IdentifierAdapter(line.name),))
             line.write({"purged": True})
         return True