diff --git a/ext/build_defaults.yaml b/ext/build_defaults.yaml
index f8a1eb929a..652e206aff 100644
--- a/ext/build_defaults.yaml
+++ b/ext/build_defaults.yaml
@@ -37,6 +37,7 @@ foss_platforms:
   - ubuntu-22.04-amd64
   - ubuntu-22.04-aarch64
   - ubuntu-24.04-amd64
+  - ubuntu-24.04-aarch64
   - windows-2012-x86
   - windows-2012-x64
 # The packaging repo uses the `platform_repos` hash to determine which repos
@@ -103,6 +104,8 @@ platform_repos:
     repo_location: repos/apt/jammy
   - name: ubuntu-24.04-amd64
     repo_location: repos/apt/noble
+  - name: ubuntu-24.04-aarch64
+    repo_location: repos/apt/noble
   - name: osx-11-x86_64
     repo_location: repos/apple/11/**/x86_64/*.dmg
   - name: osx-12-arm64