diff --git a/debian/changelog b/debian/changelog
index 28e894f..076010d 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+bubblewrap (0.4.0-ok4) yangtze; urgency=medium
+
+  * update version info
+
+ -- luzhiping <luzhiping@kylinos.cn>  Mon, 22 Aug 2022 13:52:33 +0800
+
 bubblewrap (0.4.0-ok3) yangtze; urgency=medium
 
   * fix debian/rules 
diff --git a/debian/control b/debian/control
index 11643a0..a988a93 100644
--- a/debian/control
+++ b/debian/control
@@ -1,7 +1,7 @@
 Source: bubblewrap
 Section: admin
 Priority: optional
-Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+Maintainer: Openkylin Developers <packaging@lists.openkylin.top>
 XSBC-Original-Maintainer: Utopia Maintenance Team <pkg-utopia-maintainers@lists.alioth.debian.org>
 Uploaders: 
  Laszlo Boszormenyi (GCS) <gcs@debian.org>,
diff --git a/debian/gbp.conf b/debian/gbp.conf
deleted file mode 100644
index 2e4fdd5..0000000
--- a/debian/gbp.conf
+++ /dev/null
@@ -1,6 +0,0 @@
-[DEFAULT]
-pristine-tar = True
-debian-branch = debian/master
-upstream-branch = upstream/latest
-patch-numbers = False
-upstream-vcs-tag = v%(version)s