diff --git a/build.sh b/build.sh
new file mode 100755
index 0000000..a12c2a4
--- /dev/null
+++ b/build.sh
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+if [ $# != 1 ]; then
+  echo "Usage: $0 [binary name]"
+  exit 0
+fi
+
+GOOS=windows GOARCH=386 go build -o ./bin/$1-windows386.exe
+GOOS=windows GOARCH=amd64 go build -o ./bin/$1-windows64.exe
+
+GOOS=darwin GOARCH=386 go build -o ./bin/$1-darwin386
+GOOS=darwin GOARCH=amd64 go build -o ./bin/$1-darwin64