diff --git a/doc/source/new.rst b/doc/source/new.rst
index 05eb8b633..b65ce1c59 100644
--- a/doc/source/new.rst
+++ b/doc/source/new.rst
@@ -1,6 +1,12 @@
 What is New in StaticFrame
 ===============================
 
+1.3.1
+-----------
+
+Set ``arraykit`` version to 0.3.1.
+
+
 1.3.0
 -----------
 
diff --git a/static_frame/__init__.py b/static_frame/__init__.py
index 8f46dd3ba..da3b12ee3 100644
--- a/static_frame/__init__.py
+++ b/static_frame/__init__.py
@@ -118,4 +118,4 @@
 from static_frame.core.www import WWW
 from static_frame.core.yarn import Yarn as Yarn
 
-__version__ = '1.3.0'
+__version__ = '1.3.1'