diff --git a/configs/ResNeXt/ResNeXt50_vd_32x4d.yaml b/configs/ResNeXt/ResNeXt50_vd_32x4d.yaml
index c78c72df1952aee1064cd14a9fe97a65defa3475..52b2ec145a39b8093c5fe521074ce4e611c32de9 100644
--- a/configs/ResNeXt/ResNeXt50_vd_32x4d.yaml
+++ b/configs/ResNeXt/ResNeXt50_vd_32x4d.yaml
@@ -31,7 +31,7 @@ OPTIMIZER:
         factor: 0.0001
 
 TRAIN:
-    batch_size: 64
+    batch_size: 256
     num_workers: 4
     file_list: "./dataset/ILSVRC2012/train_list.txt"
     data_dir: "./dataset/ILSVRC2012/"