diff --git a/README.md b/README.md
index 9b04306..1c00b8a 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# XOAuth
+# XOAuth - apple silicon m1 build included manually
 
 > Get OpenId Connect tokens from the command line
 
@@ -22,7 +22,8 @@ This tool saves you time, by:
 ## Installation
 Download the binary for your platform:
 * [Linux](https://github.com/XeroAPI/xoauth/releases/download/v1.1.0/xoauth_1.1.0_linux_amd64.tar.gz)
-* [Mac OS](https://github.com/XeroAPI/xoauth/releases/download/v1.1.0/xoauth_1.1.0_darwin_amd64.tar.gz)
+* [Mac OS x86_64](https://github.com/XeroAPI/xoauth/releases/download/v1.1.0/xoauth_1.1.0_darwin_amd64.tar.gz)
+* [Mac OS arm64](https://github.com/tilhoft/xoauth/releases/download/v1.1.0_m1/xoauth_1.1.0_darwin_arm64.tar.gz)
 * [Windows](https://github.com/XeroAPI/xoauth/releases/download/v1.1.0/xoauth_1.1.0_windows_amd64.tar.gz)
 
 You can run the binary directly:
@@ -37,7 +38,7 @@ Or add it to your OS `PATH`:
 mv xoauth /usr/local/bin/xoauth && chmod +x /usr/local/bin/xoauth
 ```
 
-Alternatively you can use `brew` on Mac OS:
+Alternatively you can use `brew` on Mac OS for x86:
 
 ```
 brew tap xeroapi/homebrew-taps
diff --git a/build.sh b/build.sh
index e945cab..500c7cf 100755
--- a/build.sh
+++ b/build.sh
@@ -1,13 +1,15 @@
 # Windows 64 bit
 env GOOS=windows GOARCH=amd64 go build -ldflags="-s -w" -o build/windows/xoauth.exe
 
-# Mac OS 64 bit
+# Mac OS x86 64 bit
 env GOOS=darwin GOARCH=amd64 go build -ldflags="-s -w" -o build/darwin/xoauth
 
+# Mac OS arm64
+env GOOS=darwin GOARCH=arm64 go build -ldflags="-s -w" -o build/darwin/xoauth
+
 # Linux 64 bit
 env GOOS=linux GOARCH=amd64 go build -ldflags="-s -w" -o build/linux/xoauth
 
 chmod +x build/linux/xoauth
 chmod +x build/darwin/xoauth
 chmod +x build/windows/xoauth.exe
-