diff --git a/CHANGELOG b/CHANGELOG
index 5382d670..41fbcbba 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,5 +1,9 @@
 # Change Log
 
+## 1.3.9 03/08/2015
+
+* Backport: removes code that deletes IOS router instance files.
+
 ## 1.3.8 27/07/2015
 
 * Catch ProcessLookupError when updating iouyap config. Fixes #255.
diff --git a/gns3server/version.py b/gns3server/version.py
index 07340beb..93958c1c 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__ = "1.3.9dev1"
-__version_info__ = (1, 3, 9, -99)
+__version__ = "1.3.9"
+__version_info__ = (1, 3, 9, 0)