diff --git a/CHANGELOG.md b/CHANGELOG.md
index fbccfed4f2f10e31f9f1b02ff1c15d88f6ff0609..5c4fcba61dd3fe64b827dab7cf90a69e536a73ca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,16 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+## [1.2.1] - 2022-04-05
+
+### Changed
+
+- **Breaking change:** unify name prefix of metrics exposed using promclient [`ae56d8c`](https://gitlab.open-xchange.com/frontend/ui-middleware/commit/ae56d8c0eb18e2aefd2938291616ed1ac24dc366)
+
+### Fixed
+
+- [`OXUIB-1528`](https://jira.open-xchange.com/browse/OXUIB-1528): Read-through cache not working [`ba11d96`](https://gitlab.open-xchange.com/frontend/ui-middleware/commit/ba11d966ff86b2f1dc2611e1be7f4ceb1ad3f310)
+
 ## [1.2.0] - 2022-03-28
 
 ### Changed
@@ -32,7 +42,8 @@ All notable changes to this project will be documented in this file.
 - Start changelog
 
 
-[Unreleased]: https://gitlab.open-xchange.com/frontend/ui-middleware/compare/1.2.0...main
+[unreleased]: https://gitlab.open-xchange.com/frontend/ui-middleware/compare/1.2.1...main
+[1.2.1]: https://gitlab.open-xchange.com/frontend/ui-middleware/compare/1.2.0...1.2.1
 [1.2.0]: https://gitlab.open-xchange.com/frontend/ui-middleware/compare/1.1.236709...1.2.0
 [1.1.236709]: https://gitlab.open-xchange.com/frontend/ui-middleware/compare/1.1.236708...1.1.236709
 [1.1.236708]: https://gitlab.open-xchange.com/frontend/ui-middleware/compare/1.1.236707...1.1.236708
diff --git a/helm/core-ui-middleware/Chart.yaml b/helm/core-ui-middleware/Chart.yaml
index 40a2269cb7657fb3292427a4dece76908c618a8b..62681e962d2a29881467cc86e05e013a820c462e 100644
--- a/helm/core-ui-middleware/Chart.yaml
+++ b/helm/core-ui-middleware/Chart.yaml
@@ -21,7 +21,7 @@ version: 1.1.1
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
 # It is recommended to use it with quotes.
-appVersion: "1.2.0"
+appVersion: "1.2.1"
 dependencies:
   - name: ox-common
     version: 1.0.17
diff --git a/package.json b/package.json
index aff2559c1a6453bd0ad2c53bf74840cc09852e8a..ac66f9a84f6fe9bf351373d5e56924f9eaa567c9 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@open-xchange/ui-middleware",
-  "version": "1.2.0",
+  "version": "1.2.1",
   "description": "Provides a combined manifest.json",
   "type": "module",
   "main": "src/index.js",