diff --git a/CHANGES.rst b/CHANGES.rst
index 453118c8..9be0ebb3 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,4 +1,12 @@
 
+0.3.13
+------
+
+* Use global ``Session`` from rattail (again).
+
+* Apply zope transaction to global Tailbone Session class.
+
+
 0.3.12
 ------
 
diff --git a/tailbone/_version.py b/tailbone/_version.py
index abda4949..8300a52e 100644
--- a/tailbone/_version.py
+++ b/tailbone/_version.py
@@ -1 +1 @@
-__version__ = '0.3.12'
+__version__ = '0.3.13'