diff --git a/README.md b/README.md
index cb9d6f7c..7fe936a2 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ openDesk currently features the following functional main components:
 | Groupware            | OX App Suite                | [8.35](https://documentation.open-xchange.com/appsuite/releases/8.35/)                               | Online documentation available from within the installed application; [Additional resources](https://documentation.open-xchange.com/) |
 | Knowledge management | XWiki                       | [16.10.5](https://www.xwiki.org/xwiki/bin/view/ReleaseNotes/Data/XWiki/16.10.5/)                     | [For the most recent release](https://www.xwiki.org/xwiki/bin/view/Documentation)                                                     |
 | Portal & IAM         | Nubus                       | [1.5.1](https://docs.software-univention.de/nubus-kubernetes-release-notes/latest/en/changelog.html) | [Univention's documentation website](https://docs.software-univention.de/n/en/nubus.html)                                             |
-| Project management   | OpenProject                 | [15.4.0](https://www.openproject.org/docs/release-notes/15-4-0/)                                     | [For the most recent release](https://www.openproject.org/docs/user-guide/)                                                           |
+| Project management   | OpenProject                 | [15.4.1](https://www.openproject.org/docs/release-notes/15-4-1/)                                     | [For the most recent release](https://www.openproject.org/docs/user-guide/)                                                           |
 | Videoconferencing    | Jitsi                       | [2.0.9955](https://github.com/jitsi/jitsi-meet/releases/tag/stable%2Fjitsi-meet_9955)                | [For the most recent  release](https://jitsi.github.io/handbook/docs/category/user-guide/)                                            |
 | Weboffice            | Collabora                   | [24.04.12.4](https://www.collaboraoffice.com/code-24-04-release-notes/)                              | Online documentation available from within the installed application; [Additional resources](https://sdk.collaboraonline.com/)        |
 
diff --git a/helmfile/environments/default/charts.yaml.gotmpl b/helmfile/environments/default/charts.yaml.gotmpl
index e406887d..5ed9cf1b 100644
--- a/helmfile/environments/default/charts.yaml.gotmpl
+++ b/helmfile/environments/default/charts.yaml.gotmpl
@@ -355,7 +355,7 @@ charts:
     registry: "registry.opencode.de"
     repository: "bmi/opendesk/components/supplier/openproject/charts-mirror"
     name: "openproject"
-    version: "9.8.0"
+    version: "9.8.1"
     verify: true
   openprojectBootstrap:
     # providerCategory: "Platform"
diff --git a/helmfile/environments/default/images.yaml.gotmpl b/helmfile/environments/default/images.yaml.gotmpl
index 46d00e5b..f667c7d7 100644
--- a/helmfile/environments/default/images.yaml.gotmpl
+++ b/helmfile/environments/default/images.yaml.gotmpl
@@ -729,7 +729,7 @@ images:
     # upstreamMirrorStartFrom: ["13", "1", "1"]
     registry: "registry.opencode.de"
     repository: "bmi/opendesk/components/supplier/openproject/images-mirror/open_desk"
-    tag: "15.4.0@sha256:29a8cf97861febadb6d349bc742940bbf3f9bbbbbd6372505dfa376506e7a068"
+    tag: "15.4.1@sha256:4614f6c27f114d4dcaed28449e287784f8b8834e1982535eb89ea00d5fad2230"
   openprojectBootstrap:
     # providerCategory: "Platform"
     # providerResponsible: "openDesk"