diff --git a/CHANGES.rst b/CHANGES.rst
index bed2b3b..41f2949 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,4 +1,10 @@
 
+0.3.1
+-----
+
+* Refactor ``rattail.hw.cognitive`` -> ``rattail_cognitive``.
+
+
 0.3a3
 -----
 
diff --git a/rattail_cognitive/_version.py b/rattail_cognitive/_version.py
index d9bd062..e1424ed 100644
--- a/rattail_cognitive/_version.py
+++ b/rattail_cognitive/_version.py
@@ -1 +1 @@
-__version__ = '0.3a3'
+__version__ = '0.3.1'