diff --git a/src/llmtuner/__init__.py b/src/llmtuner/__init__.py
index 829f7cb9..6cb78806 100644
--- a/src/llmtuner/__init__.py
+++ b/src/llmtuner/__init__.py
@@ -7,5 +7,5 @@ from .train import export_model, run_exp
 from .webui import create_ui, create_web_demo
 
 
-__version__ = "0.6.3"
+__version__ = "0.6.4.dev0"
 __all__ = ["create_app", "ChatModel", "Evaluator", "export_model", "run_exp", "create_ui", "create_web_demo"]