diff --git a/CHANGES.md b/CHANGES.md
index de29b4f..837caae 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,3 +1,13 @@
+# v0.15.0
+
+- monitoring/v3:
+  - Rename Service to MService; revert APIService to Service.
+
+- Various updates to autogenerated clients.
+
+_Please note:_ the release version is not indicative of an individual client's
+stability or version.
+
 # v0.14.0
 
 - Fix for setting custom HTTP headers in the absence of UserAgent.