diff --git a/README.md b/README.md
index 243bb95..11dd661 100755
--- a/README.md
+++ b/README.md
@@ -25,11 +25,11 @@ BirdMessnger 是一个基于.NET Standard 的 Tus协议的实现客户端。
 
 Package manager
 
-``Install-Package BirdMessenger -Version 3.1.1``
+``Install-Package BirdMessenger -Version 3.1.2``
 
 .NET CLI
 
-``dotnet add package BirdMessenger --version 3.1.1``
+``dotnet add package BirdMessenger --version 3.1.2``
 
 ## Getting Started