diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2a3d0fb5acd7eeb85b008c0dd9228b892417698b..f02a82ba0bd36a75ac5266feb38d3c6fb2a3008d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,24 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+## [1.4.0] - 2022-09-09
+
+### Added
+
+- [`OXUI-1015`](https://jira.open-xchange.com/browse/OXUI-1015) Lower initialDelaySeconds for readiness check so that nodes become ready faster
+- ui-files are compressed before stored in cache or delivered to the client [`51ad5f9`](https://gitlab.open-xchange.com/frontend/ui-middleware/commit/51ad5f9adea717a49202baca767a743d5a4806cb)
+- UI-Version update checks are only executed, if two subsequent versions don't change [`fd3764d`](https://gitlab.open-xchange.com/frontend/ui-middleware/commit/fd3764d7bb6609e6626b0f9781bc48b88e777a58)
+- Improved logging
+
+### Changed
+
+- Replace express with fastify to improve overall performance [`073b611`](https://gitlab.open-xchange.com/frontend/ui-middleware/commit/073b611d1d1351aa8455dfa965c154955549c416)
+- Access log level is now 'debug' instead of 'info' [`739037e`](https://gitlab.open-xchange.com/frontend/ui-middleware/commit/739037e021e62fe5b335569792cd1564cebc17b9)
+
+### Fixed
+
+- Fix error handling in case the UI-containers are not accessible [`739037e`](https://gitlab.open-xchange.com/frontend/ui-middleware/commit/739037e021e62fe5b335569792cd1564cebc17b9)
+
 ## [1.3.8] - 2022-07-20
 
 ### Fixed
@@ -116,7 +134,7 @@ All notable changes to this project will be documented in this file.
 
 - Start changelog
 
-[unreleased]: https://gitlab.open-xchange.com/frontend/ui-middleware/compare/1.3.8...main
+[unreleased]: https://gitlab.open-xchange.com/frontend/ui-middleware/compare/1.4.0...main
 [1.3.5]: https://gitlab.open-xchange.com/frontend/ui-middleware/compare/1.3.3...1.3.5
 [1.3.4]: https://gitlab.open-xchange.com/frontend/ui-middleware/compare/1.3.3...1.3.4
 [1.3.3]: https://gitlab.open-xchange.com/frontend/ui-middleware/compare/1.3.2...1.3.3
@@ -129,5 +147,6 @@ All notable changes to this project will be documented in this file.
 [1.1.236708]: https://gitlab.open-xchange.com/frontend/ui-middleware/compare/1.1.236707...1.1.236708
 [1.1.236707]: https://gitlab.open-xchange.com/frontend/ui-middleware/compare/1.1.0...1.1.236707
 
+[1.4.0]: https://gitlab.open-xchange.com/frontend/ui-middleware/compare/list...1.4.0
 [1.3.8]: https://gitlab.open-xchange.com/frontend/ui-middleware/compare/1.3.7...1.3.8
 [1.3.7]: https://gitlab.open-xchange.com/frontend/ui-middleware/compare/1.3.6...1.3.7
diff --git a/helm/core-ui-middleware/Chart.yaml b/helm/core-ui-middleware/Chart.yaml
index df5a11cab5acbf5b52a3b2121c4d3704ca149a4a..33a630a780e0cf0e851bdc780c8235fb660371cf 100644
--- a/helm/core-ui-middleware/Chart.yaml
+++ b/helm/core-ui-middleware/Chart.yaml
@@ -21,7 +21,7 @@ version: 1.3.0
 # 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: "1.3.8"
+appVersion: "1.4.0"
 dependencies:
   - name: ox-common
     version: 1.0.17
diff --git a/package.json b/package.json
index 351b05d28298926d4bc258ff8fdf652b781ecff0..67f8946d06f572d8eea11f9ffd5b47a0d559f4c7 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@open-xchange/ui-middleware",
-  "version": "1.3.8",
+  "version": "1.4.0",
   "description": "Provides a combined manifest.json",
   "type": "module",
   "main": "src/index.js",