diff --git a/docs/development/testing.md b/docs/development/testing.md
index 6223ef8ff..669449a24 100644
--- a/docs/development/testing.md
+++ b/docs/development/testing.md
@@ -9,11 +9,11 @@ We maintain the Dokku test harness within the `tests` directory:
 
 ## Continuous Integration
 
-All pull requests have tests run against them on [GitHub Actions](https://github.com/features/actions), a continuous integration platform that provides Docker support for Ubuntu Jammy 22.04.
+All pull requests have tests run against them on [GitHub Actions](https://github.com/features/actions), a continuous integration platform that provides Docker support for Ubuntu Noble 24.04.
 
 If you wish to skip tests for a particular commit, e.g. documentation changes, you may add the `[ci skip]` designator to your commit message. Commits that _should_ be tested but have the above designator will not be merged.
 
-While we do provide official packages for a variety of platforms, as our test suite currently runs on Ubuntu Jammy 22.04, we only provide official installation support for that platform and the supported LTS releases of Ubuntu (currently 20.04, 22.04, and 24.04).
+While we do provide official packages for a variety of platforms, as our test suite currently runs on Ubuntu Noble 24.04, we only provide official installation support for that platform and the supported LTS releases of Ubuntu (currently 20.04, 22.04, and 24.04).
 
 ## Local Test Execution