diff --git a/test/config.py b/test/config.py
index 55253d10..6f18713a 100644
--- a/test/config.py
+++ b/test/config.py
@@ -94,7 +94,7 @@ logger.info(f"config.ckpt_message: {ckpt_message}")
 
 train_instance_type = os.environ.get("TRAIN_INSTANCE_TYPE", "ml.g5.2xlarge")
 if region_name == "ap-southeast-1":
-    train_instance_type = "ml.g4dn.12xlarge"
+    train_instance_type = "ml.g4dn.2xlarge"
 if is_gcr:
     train_instance_type = "ml.g4dn.2xlarge"
 logger.info(f"config.train_instance_type: {train_instance_type}")