diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5bd3fabc..696c92fa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,14 @@
 Change Log
 ==========
 
+[v0.6.0-a6][] (2018-12-21)
+--------------------------
+
+- Bug Fixes:
+    + Should support multi language for git_sync #580
+
+Details: https://github.com/teracyhq/dev/milestone/15?closed=1
+
 
 [v0.6.0-a5][] (2018-11-16)
 --------------------------
@@ -406,3 +414,4 @@ Release the first milestone
 [v0.6.0-a3]: https://github.com/teracyhq/dev/milestone/10?closed=1
 [v0.6.0-a4]: https://github.com/teracyhq/dev/milestone/11?closed=1
 [v0.6.0-a5]: https://github.com/teracyhq/dev/milestone/12?closed=1
+[v0.6.0-a6]: https://github.com/teracyhq/dev/milestone/15?closed=1
diff --git a/config.yaml b/config.yaml
index 4cb993d6..b81ca5df 100644
--- a/config.yaml
+++ b/config.yaml
@@ -1,13 +1,13 @@
 
 # teracy-dev related settings
 teracy-dev:
-  require_version: ">= 0.6.0-a6-SNAPSHOT"
+  require_version: ">= 0.6.0-a6"
   # location sync
   location:
     git:
       remote:
         origin: https://github.com/teracyhq/dev.git
-      branch: v0.6.0-x
+      branch: v0.6.0-a6
     sync: false # disabled by default, should be enabled by teracy-dev-entry when needed
   extensions:
     - _id: "kernel-core"
diff --git a/docs/conf.py b/docs/conf.py
index fc55a893..9f6f4ef0 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -56,7 +56,7 @@
 # The short X.Y version.
 version = 'v0.6'
 # The full version, including alpha/beta/rc tags.
-release = 'v0.6.0-a6-SNAPSHOT'
+release = 'v0.6.0-a6'
 
 
 # The language for content autogenerated by Sphinx. Refer to documentation
diff --git a/lib/teracy-dev/version.rb b/lib/teracy-dev/version.rb
index f48bdd9c..96785629 100644
--- a/lib/teracy-dev/version.rb
+++ b/lib/teracy-dev/version.rb
@@ -1,4 +1,4 @@
 module TeracyDev
   # sermver format
-  VERSION = '0.6.0-a6-SNAPSHOT'
+  VERSION = '0.6.0-a6'
 end