diff --git a/.changelog/1.22.0/485.yml b/.changelog/1.22.0/485.yml
new file mode 100644
index 00000000..3109bc03
--- /dev/null
+++ b/.changelog/1.22.0/485.yml
@@ -0,0 +1,4 @@
+category: enhancement
+title: Add new mock client to match responses by endpoint
+description: |
+  Adds a new mock client that provides a set of responses per endpoint, by specifying an endpoint regex as the key to a map and a set of responses as the value.
diff --git a/Makefile b/Makefile
index e969875a..fb695966 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 SHELL := /bin/bash
 export GO111MODULE ?= on
-export VERSION ?= v1.21.0
+export VERSION ?= v1.22.0
 export ECE_VERSION ?= $(shell cat ECE_VERSION)
 export ECE_BRANCH ?= ms-111
 ECE_DEF_FILE ?= api/version/$(ECE_VERSION).md
diff --git a/notes/v1.22.0.md b/notes/v1.22.0.md
new file mode 100644
index 00000000..a8e9b78e
--- /dev/null
+++ b/notes/v1.22.0.md
@@ -0,0 +1,10 @@
+# Changelog
+
+This release of the Elastic Cloud SDK Go should be used for ECE Version `3.8.0`.
+
+## Enhancements
+
+### Add new mock client to match responses by endpoint ([#485](https://github.com/elastic/cloud-sdk-go/issues/485))
+
+Adds a new mock client that provides a set of responses per endpoint, by specifying an endpoint regex as the key to a map and a set of responses as the value.
+