diff --git a/sdk/python/feast/infra/offline_stores/contrib/spark_offline_store/spark_source.py b/sdk/python/feast/infra/offline_stores/contrib/spark_offline_store/spark_source.py
index c94b1913598..daf3cd252ad 100644
--- a/sdk/python/feast/infra/offline_stores/contrib/spark_offline_store/spark_source.py
+++ b/sdk/python/feast/infra/offline_stores/contrib/spark_offline_store/spark_source.py
@@ -25,6 +25,8 @@ class SparkSourceFormat(Enum):
     csv = "csv"
     json = "json"
     parquet = "parquet"
+    delta = "delta"
+    avro = "avro"
 
 
 class SparkSource(DataSource):