diff --git a/nlsr/Makefile b/nlsr/Makefile
index 4df7dca..58da80a 100644
--- a/nlsr/Makefile
+++ b/nlsr/Makefile
@@ -11,6 +11,6 @@
 VERSION=0.2.1
 
 # PPA version
-PPA_VERSION=2
+PPA_VERSION=4
 
 include ../packaging.mk
diff --git a/nlsr/debian/changelog b/nlsr/debian/changelog
index ab29312..ea7527a 100644
--- a/nlsr/debian/changelog
+++ b/nlsr/debian/changelog
@@ -1,3 +1,15 @@
+nlsr (0.2.1-ppa4~DISTRO) DISTRO; urgency=low
+
+  * New version based on NLSR-0.2.1 (https://github.com/named-data/NLSR)
+
+ -- Alexander Afanasyev <alexander.afanasyev@ucla.edu>  Wed, 22 Jul 2015 06:08:45 +0000
+
+nlsr (0.2.1-ppa3~DISTRO) DISTRO; urgency=low
+
+  * New version based on NLSR-0.2.1 (https://github.com/named-data/NLSR)
+
+ -- Alexander Afanasyev <alexander.afanasyev@ucla.edu>  Wed, 22 Jul 2015 05:29:05 +0000
+
 nlsr (0.2.1-ppa2~DISTRO) DISTRO; urgency=low
 
   * New version based on NLSR-0.2.1 (https://github.com/named-data/NLSR)