diff --git a/docs/changes.rst b/docs/changes.rst
index 127b04ef..3f398de5 100644
--- a/docs/changes.rst
+++ b/docs/changes.rst
@@ -2,6 +2,17 @@ Changelog
 =========
 
 
+Version 0.12.0
+--------------
+
+Released on December 10, 2016.
+
+- Follow up the libsass upstream: 3.4.0 --- See the release notes of Libsass
+  3.4.0__. [:issue:`173` by Anthony Sottile]
+
+__ https://github.com/sass/libsass/releases/tag/3.4.0
+
+
 Version 0.11.2
 --------------
 
diff --git a/sass.py b/sass.py
index 0cb1e187..d5a6a9cf 100644
--- a/sass.py
+++ b/sass.py
@@ -31,7 +31,7 @@
     'SassError', 'SassFunction', 'SassList', 'SassMap', 'SassNumber',
     'SassWarning', 'and_join', 'compile', 'libsass_version',
 )
-__version__ = '0.11.2'
+__version__ = '0.12.0'
 libsass_version = _sass.libsass_version