diff --git a/README.md b/README.md
index 82cfdf6..1e9e4b1 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@ ZeroFormatter
 ===
 Fastest C# Serializer and Infinitely Fast Deserializer for .NET, .NET Core and Unity.
 
+[![AppVeyor](https://img.shields.io/appveyor/ci/neuecc/zeroformatter/master.svg?label=appveyor)](https://ci.appveyor.com/project/neuecc/zeroformatter/branch/master) 
 [![Gitter](https://badges.gitter.im/neuecc/ZeroFormatter.svg)](https://gitter.im/neuecc/ZeroFormatter?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 
 ![image](https://cloud.githubusercontent.com/assets/46207/20072942/ba760e70-a56d-11e6-918f-edf84f0187da.png)