diff --git a/setup.cfg b/setup.cfg
index 77061795..0e4933a0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = empyrial
-version = 2.1.0
+version = 2.1.1
 description = An Open Source Portfolio Management Framework for Everyone 投资组合管理
 url = https://github.com/ssantoshp/Empyrial
 long_description_content_type = text/markdown