Update change log to reflect v2.3.1 release date

asdf-format · Dec 20, 2018 · ef11a5b · ef11a5b
1 parent de5c645
commit ef11a5b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/CHANGES.rst b/CHANGES.rst
@@ -1,4 +1,4 @@
-2.3.1 (unreleased)
+2.3.1 (2018-12-20)
 ------------------
 
 - Ensure that top-level accesses to the tree outside a closed context handler