diff --git a/ChangeLog b/ChangeLog
index a012464..8fd1c44 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,17 @@
 CHANGES
 =======
 
+* Fixes on the authorization mechanism
+* Enhancement in handling the parameters defined in the user request
+* Missing security support
+* Synergy should never raise Exception directly
+* manager.notify() doesn't handle the NotImplementedError exceptions
+* The synergy.log doesn't contain all logged messages
+
+1.5.1
+-----
+
+* Release v1.5.1
 * Update synergy service packaging
 
 1.5.0
diff --git a/packaging/debian/changelog b/packaging/debian/changelog
index b59b856..270f456 100755
--- a/packaging/debian/changelog
+++ b/packaging/debian/changelog
@@ -1,3 +1,14 @@
+python-synergy-service (1.5.2) unstable; urgency=low
+
+  * Fixes on the authorization mechanism
+  * Enhancement in handling the parameters defined in the user request
+  * Missing security support
+  * Synergy should never raise Exception directly
+  * manager.notify() doesn't handle the NotImplementedError exceptions
+  * The synergy.log doesn't contain all logged messages
+
+ -- Ervin Konomi <ervin.konomi@pd.infn.it>  Tue, 18 Jul 2017 11:05:42 +0200
+
 python-synergy-service (1.5.1) unstable; urgency=low
 
   * Update synergy service packaging
diff --git a/packaging/rpm/python-synergy.spec b/packaging/rpm/python-synergy.spec
index 818722f..4c6baf3 100755
--- a/packaging/rpm/python-synergy.spec
+++ b/packaging/rpm/python-synergy.spec
@@ -1,7 +1,7 @@
 %{!?python_sitelib: %global python_sitelib %(%{__python} -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())")}
 
 Name:             python-synergy-service
-Version:          1.5.1
+Version:          1.5.2
 Release:          1%{?dist}
 Summary:          Synergy service
 
@@ -85,6 +85,14 @@ if [ "$1" = 0 ]; then
 fi
 
 %changelog
+* Tue Jul 18 2017 Ervin Konomi <ervin.konomi@pd.infn.it> - 1.5.2-1
+- Fixes on the authorization mechanism
+- Enhancement in handling the parameters defined in the user request
+- Missing security support
+- Synergy should never raise Exception directly
+- manager.notify() doesn't handle the NotImplementedError exceptions
+- The synergy.log doesn't contain all logged messages
+
 * Tue Mar 21 2017 Ervin Konomi <ervin.konomi@pd.infn.it> - 1.5.1-1
 - Update synergy service packaging