diff --git a/OrbitalBeat.go b/OrbitalBeat.go
index 84592ff..e15614b 100644
--- a/OrbitalBeat.go
+++ b/OrbitalBeat.go
@@ -438,6 +438,7 @@ func (ss *statsStream) ModTime() time.Time {
 func setOtherHeaders(ctx httputils.RequestContext) {
 	ctx.SetResponseHeader("Server", "OrbitalBeat")
 	ctx.SetResponseHeader("Vary", "Content-Encoding")
+	ctx.SetResponseHeader("Strict-Transport-Security", "max-age=31536000")
 	ctx.SetResponseHeader("X-Content-Type-Options", "nosniff")
 	ctx.SetResponseHeader("X-Robots-Tags", "noindex, nofollow, notranslate")