diff --git a/README.md b/README.md
index 5d7b3de..5c6bd8d 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,7 @@ Snowflake output plugin for Embulk loads records to Snowflake.
   - **timezone**: If input column type (embulk type) is timestamp, this plugin needs to format the timestamp value into a SQL string. In this cases, this timezone option is used to control the timezone. (string, value of default_timezone option is used by default)
 - **before_load**: if set, this SQL will be executed before loading all records. In truncate_insert mode, the SQL will be executed after truncating. replace mode doesn't support this option.
 - **after_load**: if set, this SQL will be executed after loading all records.
+- **delete_stage**: if true, deletes the stage created during execution (boolean, default: false)
 
 ### Modes