diff --git a/egs/librispeech/ASR/local/train_bpe_model.py b/egs/librispeech/ASR/local/train_bpe_model.py
index 86d962703..5979d5b98 100755
--- a/egs/librispeech/ASR/local/train_bpe_model.py
+++ b/egs/librispeech/ASR/local/train_bpe_model.py
@@ -28,6 +28,7 @@
 import argparse
 import shutil
 from pathlib import Path
+from typing import Dict
 
 import sentencepiece as spm