diff --git a/CHANGELOG b/CHANGELOG
index d99410fb..64feb186 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,11 @@
 # Change Log
 
+## 1.5.0a1 10/05/2016
+
+* Rebase the qcow2 when starting the VM if needed
+* Docker support
+* Import / Export topologies
+
 ## 1.4.6 28/04/2016
 
 * More robust save/restore for VirtualBox linked clone VM hard disks.
diff --git a/gns3server/version.py b/gns3server/version.py
index 8ed6cebe..f4cac907 100644
--- a/gns3server/version.py
+++ b/gns3server/version.py
@@ -23,5 +23,5 @@
 # or negative for a release candidate or beta (after the base version
 # number has been incremented)
 
-__version__ = "1.5.0dev2"
+__version__ = "1.5.0a1"
 __version_info__ = (1, 5, 0, -99)