diff --git a/CHANGES.rst b/CHANGES.rst
index 70840bb68..a741b6bc4 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,4 +1,4 @@
-3.1.0 (unreleased)
+3.1.0 (2024-02-27)
 ------------------
 
 The ASDF Standard is at v1.6.0
@@ -42,7 +42,6 @@ The ASDF Standard is at v1.6.0
   from working. If you want these warnings to produce errors you can
   now add your own warning filter [#1757]
 
-
 - Only show ``str`` representation during ``info`` and ``search``
   if it contains a single line (and does not fail)  [#1748]