diff --git a/README.md b/README.md
index b757bf87..66d9572f 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ openDesk currently features the following functional main components:
 | Portal & IAM         | Nubus                       | AGPL-3.0-or-later                                                                      | [1.14.0](https://docs.software-univention.de/nubus-kubernetes-release-notes/1.x/en/1.14.html) | [Univention's documentation website](https://docs.software-univention.de/n/en/nubus.html)                                             |
 | Project management   | OpenProject                 | GPL-3.0-only                                                                           | [16.6.0](https://www.openproject.org/docs/release-notes/16-6-0/)                              | [For the most recent release](https://www.openproject.org/docs/user-guide/)                                                           |
 | Videoconferencing    | Jitsi                       | Apache-2.0                                                                             | [2.0.10431](https://github.com/jitsi/jitsi-meet/releases/tag/stable%2Fjitsi-meet_10431)       | [For the most recent  release](https://jitsi.github.io/handbook/docs/category/user-guide/)                                            |
-| Weboffice            | Collabora                   | MPL-2.0                                                                                | [25.04.5](https://www.collaboraoffice.com/code-25-04-release-notes/)                          | Online documentation available from within the installed application; [Additional resources](https://sdk.collaboraonline.com/)        |
+| Weboffice            | Collabora                   | MPL-2.0                                                                                | [25.04.6](https://www.collaboraoffice.com/code-25-04-release-notes/)                          | Online documentation available from within the installed application; [Additional resources](https://sdk.collaboraonline.com/)        |
 
 While not all components are perfectly designed for the execution inside containers, one of the project's objectives is to
 align the applications with best practices regarding container design and operations.
diff --git a/helmfile/environments/default-enterprise-overrides/images.yaml.gotmpl b/helmfile/environments/default-enterprise-overrides/images.yaml.gotmpl
index 64a839be..a05893d4 100644
--- a/helmfile/environments/default-enterprise-overrides/images.yaml.gotmpl
+++ b/helmfile/environments/default-enterprise-overrides/images.yaml.gotmpl
@@ -5,7 +5,7 @@ images:
   collabora:
     registry: "registry.opencode.de"
     repository: "zendis/opendesk-enterprise/components/supplier/collabora/images/collabora-online-for-opendesk"
-    tag: "25.04.5.3.1@sha256:d22407cd3bd83dd832f986a697d81c1a4642f55129c76a5a20e637274ce7bf62"
+    tag: "25.04.6.3.1@sha256:9ea79433e71db3b9056f47a0c8324a3a4f23f78b2412222991abf63969a714f1"
   dovecot:
     registry: "registry.opencode.de"
     repository: "zendis/opendesk-enterprise/components/supplier/open-xchange/images-mirror/dovecot-pro"
diff --git a/helmfile/environments/default/images.yaml.gotmpl b/helmfile/environments/default/images.yaml.gotmpl
index 20da9f04..55f6257e 100644
--- a/helmfile/environments/default/images.yaml.gotmpl
+++ b/helmfile/environments/default/images.yaml.gotmpl
@@ -50,7 +50,7 @@ images:
     # upstreamRepository: "bmi/opendesk/components/supplier/collabora/images/collabora-online-for-opendesk"
     registry: "registry.opencode.de"
     repository: "bmi/opendesk/components/supplier/collabora/images/collabora-online-for-opendesk"
-    tag: "25.04.5.3.1@sha256:0e1ccf43308121c657936510de27244057c3826777a491495a0f7e55a196bc59"
+    tag: "25.04.6.3.1@sha256:ade67ba25db8909308a0f498364c62172b482dfc1b4f80e33c1b01f7c164d8ac"
   collaboraController:
     # Enterprise Component
     # providerCategory: "Supplier"