diff --git a/data/deprecations/17-9-remove-ubuntu-22-04.yml b/data/deprecations/17-9-remove-ubuntu-22-04.yml
new file mode 100644
index 0000000000000000000000000000000000000000..92d1460aef9fb49b8309f41026ceda46eba5d43d
--- /dev/null
+++ b/data/deprecations/17-9-remove-ubuntu-22-04.yml
@@ -0,0 +1,16 @@
+- title: "Linux packages for Ubuntu 20.04"
+  removal_milestone: "18.3"
+  announcement_milestone: "17.9"
+  breaking_change: true
+  issue_url: https://gitlab.com/gitlab-org/omnibus-gitlab/-/issues/8915
+  reporter: clemensbeck
+  stage: systems
+  impact: medium
+  scope: instance
+  resolution_role: Admin
+  manual_task: true
+  body: |
+    Standard support for Ubuntu 20.04 [ends in April 2024](https://wiki.ubuntu.com/Releases).
+
+    Therefore, we will longer support the Ubuntu 20.04 distribution for Linux package installs.
+    Users should upgrade to Ubuntu 22.04 for continued support.
diff --git a/doc/update/deprecations.md b/doc/update/deprecations.md
index a8631e98c6cee56cd97012d37130bb9bf9e028ce..db00a2b9a40c82ecf4388058609e670b3e2c3d07 100644
--- a/doc/update/deprecations.md
+++ b/doc/update/deprecations.md
@@ -339,6 +339,30 @@ This is one small step towards moving away from CI/CD templates in preference of
 </div>
 </div>
 
+<div class="milestone-wrapper" data-milestone="18.3">
+
+## GitLab 18.3
+
+<div class="deprecation breaking-change" data-milestone="18.3">
+
+### Linux packages for Ubuntu 20.04
+
+<div class="deprecation-notes">
+
+- Announced in GitLab <span class="milestone">17.9</span>
+- Removal in GitLab <span class="milestone">18.3</span> ([breaking change](https://docs.gitlab.com/ee/update/terminology.html#breaking-change))
+- To discuss this change or learn more, see the [deprecation issue](https://gitlab.com/gitlab-org/omnibus-gitlab/-/issues/8915).
+
+</div>
+
+Standard support for Ubuntu 20.04 [ends in April 2024](https://wiki.ubuntu.com/Releases).
+
+Therefore, we will longer support the Ubuntu 20.04 distribution for Linux package installs.
+Users should upgrade to Ubuntu 22.04 for continued support.
+
+</div>
+</div>
+
 <div class="milestone-wrapper" data-milestone="18.0">
 
 ## GitLab 18.0