diff --git a/README.md b/README.md
index d305d93b..1b8a9c32 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,6 @@
 [![Build Status](https://travis-ci.org/pre-commit/pre-commit.svg?branch=master)](https://travis-ci.org/pre-commit/pre-commit)
 [![Coverage Status](https://img.shields.io/coveralls/pre-commit/pre-commit.svg?branch=master)](https://coveralls.io/r/pre-commit/pre-commit)
+[![Build status](https://ci.appveyor.com/api/projects/status/mmcwdlfgba4esaii/branch/master?svg=true)](https://ci.appveyor.com/project/asottile/pre-commit/branch/master)
 
 ## pre-commit