diff --git a/CHANGES.rst b/CHANGES.rst
index a838c092fe..19b7af606b 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,11 @@
+Changes in synapse v0.27.4 (2018-04-13)
+======================================
+
+Changes:
+
+* Update canonicaljson dependency (#3095)
+
+
 Changes in synapse v0.27.3 (2018-04-11)
 ======================================
 
diff --git a/synapse/__init__.py b/synapse/__init__.py
index 1fa2de5268..0c1c16b9a4 100644
--- a/synapse/__init__.py
+++ b/synapse/__init__.py
@@ -16,4 +16,4 @@
 """ This is a reference implementation of a Matrix home server.
 """
 
-__version__ = "0.27.3"
+__version__ = "0.27.4"