Changelog diff is:

diff --git a/Changes b/Changes
index 8007ebb..1f0d830 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,8 @@ Revision history for Perl extension Ukigumo-Server

 {{$NEXT}}

+v2.1.5 2018-07-26T05:18:13Z
+
     - Fix 'return-or-die' statements in `dispatch` (gugod)
     - remove dotcloud.yml