diff --git a/CHANGES.txt b/CHANGES.txt
index d858024..6cfb608 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,9 @@
 ----
+Version 0.4.1 30 Jun 2016
+================================
+
+8db2f400e6  Fix `web_sha3` to comply with spec.
+
 Version 0.4.0 30 Jun 2016
 ================================
 
diff --git a/setup.py b/setup.py
index e49c119..3b2dbe5 100755
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@
 
 setup(
     name='eth-testrpc',
-    version="0.4.0",
+    version="0.4.1",
     description='An Ethereum simulator for aiding smart contract development.',
     long_description=long_description,
     url='https://github.com/pipermerriam/eth-testrpc',