diff --git a/CHANGES.rst b/CHANGES.rst
index 5293cd874..518cbef64 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,3 +1,11 @@
+3.1.0 (unreleased)
+------------------
+
+The ASDF Standard is at v1.6.0
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+- Add ``float16`` support [#1692]
+
 3.0.1 (2023-10-30)
 ------------------