diff --git a/CHANGES.rst b/CHANGES.rst
index 82247fa52..5ef7eec4c 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,11 @@
+Changes in synapse v0.21.1 (2017-06-15)
+=======================================
+
+Bug fixes:
+
+* Fix bug in anonymous usage statistic reporting (PR #2281)
+
+
 Changes in synapse v0.21.0 (2017-05-18)
 =======================================
 
diff --git a/synapse/__init__.py b/synapse/__init__.py
index 2a40bab3f..9df7d1899 100644
--- a/synapse/__init__.py
+++ b/synapse/__init__.py
@@ -16,4 +16,4 @@
 """ This is a reference implementation of a Matrix home server.
 """
 
-__version__ = "0.21.0"
+__version__ = "0.21.1"