diff --git a/nlsr/Makefile b/nlsr/Makefile
index 9ee7fb3..2a47be1 100644
--- a/nlsr/Makefile
+++ b/nlsr/Makefile
@@ -2,13 +2,13 @@
 GIT_URL=https://github.com/named-data/NLSR
 
 # Tag name or commit hash for checkout
-GIT_VERSION=982a58fae5ce59a9f1f526d456b2e9edc759aa50
+GIT_VERSION=NLSR-0.4.1
 
 # Package name
 NAME=nlsr
 
 # Package version
-VERSION=0.4.0-16-g982a58fa
+VERSION=0.4.1
 
 # PPA version
 PPA_VERSION=1
diff --git a/nlsr/debian/changelog b/nlsr/debian/changelog
index 3637e4b..4b665f4 100644
--- a/nlsr/debian/changelog
+++ b/nlsr/debian/changelog
@@ -1,3 +1,23 @@
+nlsr (0.4.1-ppa1~DISTRO) DISTRO; urgency=low
+
+  * Version based on NLSR-0.4.1 (https://github.com/named-data/NLSR)
+
+ -- Alexander Afanasyev <alexander.afanasyev@ucla.edu>  Fri, 23 Feb 2018 15:56:18 +0000
+
+nlsr (0.4.0-19-g0c3c71ef-ppa2~DISTRO) DISTRO; urgency=low
+
+  * Version based on 0c3c71efbc4c6384da84e9100cf7a7d26a748fbe
+    (https://github.com/cawka/NLSR)
+
+ -- Alexander Afanasyev <alexander.afanasyev@ucla.edu>  Mon, 19 Feb 2018 17:52:12 +0000
+
+nlsr (0.4.0-19-g0c3c71ef-ppa1~DISTRO) DISTRO; urgency=low
+
+  * Version based on 0c3c71efbc4c6384da84e9100cf7a7d26a748fbe
+    (https://github.com/cawka/NLSR)
+
+ -- Alexander Afanasyev <alexander.afanasyev@ucla.edu>  Mon, 19 Feb 2018 17:41:40 +0000
+
 nlsr (0.4.0-16-g982a58fa-ppa1~DISTRO) DISTRO; urgency=low
 
   * Add versioning of ChronoSync prefix. Version based on
diff --git a/nlsr/debian/control b/nlsr/debian/control
index 37b76df..10f6d50 100644
--- a/nlsr/debian/control
+++ b/nlsr/debian/control
@@ -5,8 +5,8 @@
  dh-systemd (>= 1.5),
  python (>= 2.7.0),
  pkg-config (>= 0.26),
- ndn-cxx-dev (>= 0.6.0),
- libchronosync-dev (>= 0.4.0),
+ libndn-cxx-dev (>= 0.6.1),
+ libchronosync-dev (>= 0.5.0),
  libboost-all-dev (>= 1.53.0),
  python-sphinx (>= 1.1.3)
 Standards-Version: 3.9.2
@@ -17,5 +17,5 @@
 
 Package: nlsr
 Architecture: i386 amd64 arm64 armel armhf ppc64el
-Depends: ${shlibs:Depends}, ${misc:Depends}, ndn-cxx
+Depends: ${shlibs:Depends}, ${misc:Depends}, libndn-cxx, ndnsec
 Description: A link state routing protocol for Named Data Networking