diff --git a/CHANGELOG.md b/CHANGELOG.md
index 438f9c3..bd133ed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,117 +1,138 @@
-## 2015-12-20 - Release 1.5.0
+## 2016-01-07 - Release 1.5.2
+
+##Summary
+Added some tests and bugfixes.
+
+##Fixes
+- debnet::iface::dhcp: bug with hostname feature fixed
+
+##Features
+- syntax validation and lint checks added
+- added some spec tests
+
+## 2015-12-21 - Release 1.5.1
+
+##Summary
+Fixed dependency clash.
+
+##Fixes
+- dependecy to a deleted version of concat
+- inconsistent dependencies to stdlib version
+
+## 2015-12-20 - Release 1.5.0 [Deleted]
 
 ##Summary
 
 ##Fixes
 - PR/4: Support for bootup configuration on interfaces enabled. (Thanks for the contribution to lbayerlein)
 - PR/7: Support for wvdial. (Thanks to tentwentyfour)
 - argument validation improved for Puppet 4 complience
 
 ##2015-04-04 - Release 1.4.3
 
 ##Summary
 CI build testing added.
 
 ##2015-03-31 - Release 1.4.2
 
 ###Fixes
 - Typo in dns-nameservers fixed
 
 ##2015-03-30 - Release 1.4.1
 
 ##Summary
 New feature helper for configuring DNS nameservers and search via resolvconf.
 
 ##2015-03-16 - Release 1.3.1
 
 ###Summary
 Fixed issue #2
 
 ###Fixes
 - bridge and bond resources were not able to access package names declared in
 params.pp
 
 ##2015-03-15 - Release 1.3.0
 
 ###Summary
 New feature helper allows declaring static routes on interfaces.
 
 ###Features
 - feature helper of static routes added
 
 ##2015-03-12 - Release 1.2.1
 
 ###Summary
 - Bugfix, to resolve dependency problems to newer versions of concat and stdlib
 modules.
 
 ###Features
 - feature helper for static routes added
 
 ###Fixes
 - Minor improvements in documentation
 - Metadata fixed.
 
 ##2015-02-26 - Release 1.2.0
 
 ###Summary
 Introduction of feature helpers. Configurable bridge parameters extended.
 
 ###Features
 - feature helper tx_queue added for setting tx queue length of an interface
 - added attributes maxage and maxwait to bridge
 
 ##2015-02-05 - Release 1.1.1
 
 ###Summary
 Documentation bugfixes.
 
 ###Features
 
 ###Bugfixes
 - requirements corrected
 - README links fixed
 
 ##2015-02-04 - Release 1.1.0
 
 ###Summary
 Operating system support tested. Up and down hooks now available for many resources.
 
 ###Features
 - support for Debian 6 and Ubuntu 12.04 added to metadata.json
 - added support for up/down hooks to resources bond, bridge, dhcp, loopback and static
 
 ##2015-01-20 - Release 1.0.1
 
 ###Summary
 Bugfix.
 
 ###Changes
 - Validation of bonding attributes fixed.
 
 ##2015-01-20 - Release 1.0.0
 
 ###Summary
 Added support for bonding and removed the need of including the module.
 
 ###Changes
 - including the module is not necessary anymore
 
 ###Features
 - support for bonding devices
 
 ##2014-12-27 - Release 0.3.1
 
 ###Summary
 Minor refactoring, documentation and metadata improvements.
 
 ####Fixes
 - Metadata fixes to improve quality measures.
 - Some lint warnings with bridge.pp fixed.
 - Documentation fixed.
 
 ##2014-12-27 - Release 0.3.0
 
 ###Summary
 
 New feature for configuring bridge interfaces.