diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f762c885..8168da83 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -51,6 +51,7 @@ jobs:
           - ember-lts-4.4
           - ember-lts-4.8
           - ember-4.12
+          - ember-lts-5.8
           - ember-default
           - ember-release
           - embroider-safe
diff --git a/packages/test-app/config/ember-try.js b/packages/test-app/config/ember-try.js
index 0ce5926b..7c45f6c0 100644
--- a/packages/test-app/config/ember-try.js
+++ b/packages/test-app/config/ember-try.js
@@ -51,6 +51,15 @@ module.exports = function () {
             },
           },
         },
+        {
+          name: 'ember-lts-5.8',
+          npm: {
+            devDependencies: {
+              'ember-data': '~5.3.0',
+              'ember-source': '~5.8.0',
+            },
+          },
+        },
         {
           name: 'ember-release',
           npm: {