diff --git a/backend/oasst_backend/models/payload_column_type.py b/backend/oasst_backend/models/payload_column_type.py
index 01b642e2..132a7a78 100644
--- a/backend/oasst_backend/models/payload_column_type.py
+++ b/backend/oasst_backend/models/payload_column_type.py
@@ -48,6 +48,8 @@ def payload_column_type(pydantic_type):
     class PayloadJSONBType(TypeDecorator, Generic[T]):
         impl = pg.JSONB()
 
+        cache_ok = True
+
         def __init__(
             self,
             json_encoder=json,