diff --git a/build.py b/build.py
new file mode 100755
index 0000000..2a29a46
--- /dev/null
+++ b/build.py
@@ -0,0 +1,11 @@
+#! /usr/bin/env python3
+"""Dummy build."""
+
+from pathlib import Path
+
+from rwx.fs import make_directory, write
+
+if __name__ == "__main__":
+    out = Path(__file__).parent / "out" / "web"
+    make_directory(out)
+    write(out / "index.html", "prj.rwx.work")