diff --git a/CHANGES.rst b/CHANGES.rst
index 0c40e94c..2f0fdc78 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -2,6 +2,12 @@
 CHANGELOG
 =========
 
+0.5.20 (2016-08-13)
+-------------------
+
+* Add null / not null verbs back to default boolean grid filter
+
+
 0.5.19 (2016-08-12)
 -------------------
 
diff --git a/tailbone/_version.py b/tailbone/_version.py
index b670fbd3..e57865dd 100644
--- a/tailbone/_version.py
+++ b/tailbone/_version.py
@@ -1,3 +1,3 @@
 # -*- coding: utf-8 -*-
 
-__version__ = u'0.5.19'
+__version__ = u'0.5.20'