diff -Nru phing-2.13.0/debian/changelog phing-2.13.0/debian/changelog
--- phing-2.13.0/debian/changelog	2016-03-29 15:37:02.000000000 -0700
+++ phing-2.13.0/debian/changelog	2016-03-31 12:46:47.000000000 -0700
@@ -1,3 +1,9 @@
+phing (2.13.0-2ubuntu3) xenial; urgency=medium
+
+  * Add php-mbstring as a runtime dependency (LP: #1557599).
+
+ -- Nishanth Aravamudan <nish.aravamudan@canonical.com>  Thu, 31 Mar 2016 12:44:45 -0700
+
 phing (2.13.0-2ubuntu2) xenial; urgency=medium
 
   * Correctly update regex (LP: #1563098). 
diff -Nru phing-2.13.0/debian/control phing-2.13.0/debian/control
--- phing-2.13.0/debian/control	2016-03-28 15:14:53.000000000 -0700
+++ phing-2.13.0/debian/control	2016-03-31 12:44:36.000000000 -0700
@@ -15,7 +15,7 @@
 
 Package: phing
 Architecture: all
-Depends: ${misc:Depends}, ${phppear:Debian-Depends}
+Depends: php-mbstring, ${misc:Depends}, ${phppear:Debian-Depends}
 Recommends: php-pear, ${phppear:Debian-Recommends}
 Breaks: ${phppear:Debian-Breaks}
 Description: ${phppear:summary}