diff --git a/allantools/allantools.py b/allantools/allantools.py
index effb5fd..08359c7 100644
--- a/allantools/allantools.py
+++ b/allantools/allantools.py
@@ -6,7 +6,7 @@
 
 Version history
 ---------------
-** current master ** unreleased
+**2016.4** 2016 April 8
 - convert tests to use pytest
 - split tests into individual pytests, make them all pass
 - accept a numpy.array as taus parameter.