diff --git a/README.md b/README.md
index b9cb281d..a2e4b9d6 100644
--- a/README.md
+++ b/README.md
@@ -34,7 +34,7 @@ openDesk currently features the following functional main components:
 | Groupware            | OX Appsuite                 | [8.20](https://documentation.open-xchange.com/appsuite/releases/8.20/) | Online documentation available from within the installed application; [Additional resources](https://www.open-xchange.com/resources/oxpedia) |
 | Knowledge management | XWiki                       | [15.10.4](https://www.xwiki.org/xwiki/bin/view/Blog/XWiki15104Released) | [For the most recent release](https://www.xwiki.org/xwiki/bin/view/Documentation) |
 | Portal & IAM         | Nubus                       | Product Preview[^1]   | [Univention's documentation website](https://docs.software-univention.de/n/en/index.html) |
-| Project management   | OpenProject                 | [13.3.0](https://www.openproject.org/docs/release-notes/13-3-0/) | [For the most recent release](https://www.openproject.org/docs/user-guide/) |
+| Project management   | OpenProject                 | [13.3.1](https://www.openproject.org/docs/release-notes/13-3-1/) | [For the most recent release](https://www.openproject.org/docs/user-guide/) |
 | Videoconferencing    | Jitsi                       | [2.0.8922](https://github.com/jitsi/jitsi-meet/releases/tag/stable%2Fjitsi-meet_8922) | [For the most recent  release](https://jitsi.github.io/handbook/docs/category/user-guide/) |
 | Weboffice            | Collabora                   | [23.05.9.1.1](https://www.collaboraoffice.com/collabora-online-23-05-release-notes/) | Online documentation available from within the installed application; [Additional resources](https://sdk.collaboraonline.com/) |
 
diff --git a/helmfile/environments/default/images.yaml b/helmfile/environments/default/images.yaml
index 5422b617..3bfad847 100644
--- a/helmfile/environments/default/images.yaml
+++ b/helmfile/environments/default/images.yaml
@@ -314,7 +314,7 @@ images:
     # dependencyType=supplier
     registry: "registry.opencode.de"
     repository: "bmi/opendesk/components/supplier/openproject/images-mirror/open_desk"
-    tag: "13.3.0@sha256:276c20d648d61da94b294b23ced29f65ff7f681fdca5592b6eca400457cddb49"
+    tag: "13.3.1@sha256:7e5a2cbd3d9f2db65e977797c0f7669b83f8e1b21bf0687ee20d19cbd1b55b7a"
     # @supplier: "OpenProject"
     # @mirrorFilter: '^(\d+)\.(\d+)\.(\d+)$'
     # @mirrorFrom: ['13', '1', '1']