diff --git a/dbt/adapters/synapse/relation_configs/policies.py b/dbt/adapters/synapse/relation_configs/policies.py
index ed72f5b..eff13b2 100644
--- a/dbt/adapters/synapse/relation_configs/policies.py
+++ b/dbt/adapters/synapse/relation_configs/policies.py
@@ -11,6 +11,7 @@ class SynapseRelationType(StrEnum):
     MaterializedView = "materialized_view"
 
 
+@dataclass
 class SynapseIncludePolicy(Policy):
     database: bool = False
     schema: bool = True