diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index bdc60a5bc84f7cc3bc6e612de03c8727441c77ef..e4a34612fa0a9eb298566c4db0de61b647d29135 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -2,8 +2,8 @@ This document contains the ``fslpy`` release history in reverse chronological
 order.
 
 
-3.1.0 (Under development)
--------------------------
+3.1.0 (Thursday 21st May 2020)
+------------------------------
 
 
 Added
diff --git a/fsl/version.py b/fsl/version.py
index 34d5447e181f21be4dfed288ad18931acda71e1b..804b6f0d406b3125443e2b02cc502ed151026b86 100644
--- a/fsl/version.py
+++ b/fsl/version.py
@@ -47,7 +47,7 @@ import            re
 import            string
 
 
-__version__ = '3.1.0.dev0'
+__version__ = '3.2.0.dev0'
 """Current version number, as a string. """