diff --git a/xtuner/version.py b/xtuner/version.py
index d3e950ea3..85cbb5561 100644
--- a/xtuner/version.py
+++ b/xtuner/version.py
@@ -1,5 +1,5 @@
 # Copyright (c) OpenMMLab. All rights reserved.
-__version__ = '0.1.20'
+__version__ = '0.1.21'
 short_version = __version__