diff --git a/synapse/__init__.py b/synapse/__init__.py
index 979eac08a7..7067188c5b 100644
--- a/synapse/__init__.py
+++ b/synapse/__init__.py
@@ -16,4 +16,4 @@
 """ This is a reference implementation of a synapse home server.
 """
 
-__version__ = "0.4.0"
+__version__ = "0.4.1"