diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 25c6fc9..d8f896c 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,6 +1,10 @@
 heat formula
 ============
 
+2016.4.1 (2016-04-15)
+
+- second release
+
 0.0.1 (2015-08-03)
 
-- Initial formula setup
\ No newline at end of file
+- Initial formula setup