Update changelog.
diff --git a/CHANGELOG.asciidoc b/CHANGELOG.asciidoc
index 660b82e..a5310ca 100644
--- a/CHANGELOG.asciidoc
+++ b/CHANGELOG.asciidoc
@@ -22,6 +22,12 @@
 
 image::https://raw.githubusercontent.com/apache/tinkerpop/master/docs/static/images/nine-inch-gremlins.png[width=185]
 
+[[release-3-2-2]]
+TinkerPop 3.2.2 (NOT OFFICIALLY RELEASED YET)
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+* Added class registrations for `Map.Entry` implementations to `GryoMapper`.
+
 [[release-3-2-1]]
 TinkerPop 3.2.1 (Release Date: July 18, 2016)
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~