diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 5b8403f..7ccbc20 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,11 @@
 Changelog
 =========
 
+Version 0.4.0 (2017-06-29)
+--------------------------
+
+- Updated bigchaindb components to 1.0.0rc1
+
 Version 0.3.1 (2017-04-07)
 --------------------------
 
diff --git a/prov2bigchaindb/version.py b/prov2bigchaindb/version.py
index 9a6e6e8..d90ba8b 100644
--- a/prov2bigchaindb/version.py
+++ b/prov2bigchaindb/version.py
@@ -1,2 +1,2 @@
-__version__ = '0.3.1'
-__short_version__ = '0.3'
+__version__ = '0.4.0'
+__short_version__ = '0.4'