diff --git a/CHANGES.rst b/CHANGES.rst
index 56f33e51..a8f17c78 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,6 +2,12 @@
 CHANGELOG
 =========
 
+0.7.40 (2018-10-13)
+-------------------
+
+* Add "hours as decimal" hover text for some HH:MM timesheet values.
+
+
 0.7.39 (2018-10-09)
 -------------------
 
diff --git a/tailbone/_version.py b/tailbone/_version.py
index 8d5a701e..b01b40df 100644
--- a/tailbone/_version.py
+++ b/tailbone/_version.py
@@ -1,3 +1,3 @@
 # -*- coding: utf-8; -*-
 
-__version__ = '0.7.39'
+__version__ = '0.7.40'