diff --git a/CHANGES.rst b/CHANGES.rst
index ac7dcdca2c..bebf489e21 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,8 @@
+Changes in synapse v0.13.3 (2016-02-11)
+=======================================
+
+* Fix bug where ``/sync`` would occasionally return events in the wrong room.
+
 Changes in synapse v0.13.2 (2016-02-11)
 =======================================
 
diff --git a/synapse/__init__.py b/synapse/__init__.py
index 9c4213a4a9..bc50bec9db 100644
--- a/synapse/__init__.py
+++ b/synapse/__init__.py
@@ -16,4 +16,4 @@
 """ This is a reference implementation of a Matrix home server.
 """
 
-__version__ = "0.13.2"
+__version__ = "0.13.3"