diff --git a/cmd/xxhsum/.gitignore b/cmd/xxhsum/.gitignore
new file mode 100644
index 0000000..f84e573
--- /dev/null
+++ b/cmd/xxhsum/.gitignore
@@ -0,0 +1 @@
+xxhsum*
diff --git a/cmd/xxhsum/build.sh b/cmd/xxhsum/build.sh
new file mode 100644
index 0000000..584c964
--- /dev/null
+++ b/cmd/xxhsum/build.sh
@@ -0,0 +1,6 @@
+#!/bin/sh
+
+VERSION=$1
+
+env GOOS=windows GOARCH=amd64 CGO_ENABLED=0 go build -ldflags "-s -w" -o xxhsum64-${VERSION}.exe || exit 1
+env GOOS=windows GOARCH=386 CGO_ENABLED=0 go build -ldflags "-s -w" -o xxhsum32-${VERSION}.exe || exit 1