diff -Nru piuparts-0.64/debian/changelog piuparts-0.64ubuntu1/debian/changelog
--- piuparts-0.64/debian/changelog	2015-06-12 05:44:18.000000000 -0600
+++ piuparts-0.64ubuntu1/debian/changelog	2015-10-05 15:51:06.000000000 -0600
@@ -1,3 +1,9 @@
+piuparts (0.64ubuntu1) wily; urgency=medium
+
+  * Fix devpts mounting to use gid=5,mode=620 mount options.
+
+ -- Adam Conrad <adconrad@ubuntu.com>  Mon, 05 Oct 2015 15:50:34 -0600
+
 piuparts (0.64) unstable; urgency=medium
 
   [ Holger Levsen ]
diff -Nru piuparts-0.64/debian/control piuparts-0.64ubuntu1/debian/control
--- piuparts-0.64/debian/control	2015-05-16 08:50:51.000000000 -0600
+++ piuparts-0.64ubuntu1/debian/control	2015-10-05 15:51:14.000000000 -0600
@@ -1,5 +1,6 @@
 Source: piuparts
-Maintainer: piuparts developers team <piuparts-devel@lists.alioth.debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: piuparts developers team <piuparts-devel@lists.alioth.debian.org>
 Uploaders:
  Holger Levsen <holger@debian.org>
 Section: devel
diff -Nru piuparts-0.64/piuparts.py piuparts-0.64ubuntu1/piuparts.py
--- piuparts-0.64/piuparts.py	2015-06-12 05:43:13.000000000 -0600
+++ piuparts-0.64ubuntu1/piuparts.py	2015-10-05 15:50:30.000000000 -0600
@@ -1523,7 +1523,7 @@
         """Mount /proc inside chroot."""
         self.run(["mount", "-t", "proc", "proc", "/proc"])
         self.mkdir_p("dev/pts")
-        self.run(["mount", "-t", "devpts", "devpts", "/dev/pts"])
+        self.run(["mount", "-o", "gid=5,mode=620", "-t", "devpts", "devpts", "/dev/pts"])
 
     def unmount_proc(self):
         """Unmount /proc inside chroot."""