diff --git a/AUTHORS.rst b/AUTHORS.rst
index e8f0060..46a66c8 100644
--- a/AUTHORS.rst
+++ b/AUTHORS.rst
@@ -9,6 +9,7 @@ Contributors
 -   |idank|_
 
     *   Bug Fix: Tag archive generator uses subscript syntax to avoid failure when tags contain '-' or space.
+    *   Bug Fix: Use `check_output` to avoid a traceback when subprocess command fails.
 
 -   |jd|_
 
@@ -127,3 +128,5 @@ Contributors
 .. _vinilios: https://github.com/vinilios
 .. |jd| replace:: Julien Danjou
 .. _jd: https://github.com/jd
+.. |idank| replace:: idank
+.. _idank: https://github.com/idank
\ No newline at end of file
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 7a7e0d3..4c066a7 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,3 +1,11 @@
+Version 0.8.5a13
+============================================================
+
+Thanks to @idank
+
+*   Bug Fix: Use `check_output` to avoid a traceback when subprocess command fails.
+
+
 Version 0.8.5a12
 ============================================================
 
@@ -5,7 +13,6 @@ Thanks to @idank
 
 *   Bug Fix: Tag archive generator uses subscript syntax to avoid failure when tags contain '-' or space. (Issue #130)
 
-
 Version 0.8.5a11
 ============================================================
 
@@ -19,7 +26,6 @@ Thanks to @jd
 
 *   Bug Fix: Metadata Plugin: Do not try to read meta data on `simple_copy` files. (Issue #124, Issue #121)
 
-
 Version 0.8.5a9
 ============================================================
 
@@ -28,7 +34,6 @@ Thanks to @vinilios
 *   Added a helper method in Expando class to ease up non existing keys handling. (Issue #117)
 *   Some improvements in LessCSSPlugin to be able to build complex less projects (such as twitter bootstrap) (Issue #117)
 
-
 Version 0.8.5a8
 ============================================================
 
diff --git a/README.rst b/README.rst
index f79b029..b0ccd31 100644
--- a/README.rst
+++ b/README.rst
@@ -1,4 +1,4 @@
-Version 0.8.5a12
+Version 0.8.5a13
 
 A brand new **hyde**
 ====================
diff --git a/hyde/version.py b/hyde/version.py
index b2250ea..f00fd41 100644
--- a/hyde/version.py
+++ b/hyde/version.py
@@ -3,4 +3,4 @@
 Handles hyde version
 TODO: Use fabric like versioning scheme
 """
-__version__ = '0.8.5a12'
+__version__ = '0.8.5a13'