diff --git a/debian/control b/debian/control
index 9571574..f231cd0 100644
--- a/debian/control
+++ b/debian/control
@@ -1,6 +1,6 @@
 Source: golang-github-svent-go-nbreader
 Section: devel
-Priority: extra
+Priority: optional
 Maintainer: Debian Go Packaging Team <team+pkg-go@tracker.debian.org>
 Uploaders: ChangZhuo Chen (陳昌倬) <czchen@debian.org>
 Build-Depends: debhelper (>=11~),