diff --git a/VERSION.txt b/VERSION.txt
deleted file mode 100644
index e042bff44d..0000000000
--- a/VERSION.txt
+++ /dev/null
@@ -1 +0,0 @@
-0.8.0.99
diff --git a/qlib/__init__.py b/qlib/__init__.py
index 33d01bc6f7..e0206ffdce 100644
--- a/qlib/__init__.py
+++ b/qlib/__init__.py
@@ -2,7 +2,7 @@
 # Licensed under the MIT License.
 from pathlib import Path
 
-__version__ = "0.8.0.99"
+__version__ = "0.8.1"
 __version__bak = __version__  # This version is backup for QlibConfig.reset_qlib_version
 import os
 from typing import Union