diff --git a/enhancer/cli/train_config/dataset/Vctk.yaml b/enhancer/cli/train_config/dataset/Vctk.yaml
index 6bdc8c7..97e2f0c 100644
--- a/enhancer/cli/train_config/dataset/Vctk.yaml
+++ b/enhancer/cli/train_config/dataset/Vctk.yaml
@@ -3,7 +3,7 @@ name : vctk
 root_dir : /scratch/c.sistc3/DS_10283_2791
 duration : 1.0
 sampling_rate: 16000
-batch_size: 128
+batch_size: 256
 valid_size : 0.05
 
 files: