diff --git a/egs/aishell/paraformer/run.sh b/egs/aishell/paraformer/run.sh
index d2ae7d0e4..bcfda14b6 100755
--- a/egs/aishell/paraformer/run.sh
+++ b/egs/aishell/paraformer/run.sh
@@ -27,7 +27,7 @@ stop_stage=1
 # feature configuration
 feats_dim=80
 sample_frequency=16000
-nj=32
+nj=64
 speed_perturb="0.9,1.0,1.1"
 
 # data