diff --git a/ndn-tools/Makefile b/ndn-tools/Makefile
index e1cb6c9..db49f39 100644
--- a/ndn-tools/Makefile
+++ b/ndn-tools/Makefile
@@ -11,6 +11,6 @@
 VERSION=0.7.1-28-g5998428e
 
 # PPA version
-PPA_VERSION=1
+PPA_VERSION=2
 
 include ../packaging.mk
diff --git a/ndn-tools/debian/changelog b/ndn-tools/debian/changelog
index 92319ce..13291ad 100644
--- a/ndn-tools/debian/changelog
+++ b/ndn-tools/debian/changelog
@@ -1,3 +1,10 @@
+ndn-tools (0.7.1-28-g5998428e-ppa2~DISTRO) DISTRO; urgency=low
+
+  * Version based on 5998428e9cbb2ad2663a2ce0e0533d7578735dee
+    (https://github.com/named-data/ndn-tools)
+
+ -- Alex Afanasyev <aa@cs.fiu.edu>  Thu, 17 Feb 2022 21:51:49 +0000
+
 ndn-tools (0.7.1-28-g5998428e-ppa1~DISTRO) DISTRO; urgency=low
 
   * Version based on 5998428e9cbb2ad2663a2ce0e0533d7578735dee
diff --git a/ndn-tools/debian/control b/ndn-tools/debian/control
index 3854a39..ed91ede 100644
--- a/ndn-tools/debian/control
+++ b/ndn-tools/debian/control
@@ -2,14 +2,14 @@
 Priority: extra
 Maintainer: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
 Build-Depends: debhelper (>= 8.0.0),
- dh-systemd (>= 1.5),
+ debhelper (>= 9.20160709),
  python3 (>= 3.5.0),
  pkg-config (>= 0.26),
  libpcap-dev,
  python3-sphinx,
  libndn-cxx-dev (>= 0.8.0),
  git
-Standards-Version: 3.9.2
+Standards-Version: 4.5.0
 Section: net
 Homepage: http://github.com/named-data/ndn-tools
 Vcs-Git: git://github.com/named-data/ndn-tools.git