diff --git a/.github/workflows/ci-build.yml b/.github/workflows/ci-build.yml
index cf5b5a7d..e084e3b3 100644
--- a/.github/workflows/ci-build.yml
+++ b/.github/workflows/ci-build.yml
@@ -74,6 +74,10 @@ jobs:
         ember-try-scenario:
           - ember-lts-3.20
           - ember-lts-3.24
+          - ember-lts-3.28
+          - ember-lts-4.4
+          - ember-lts-4.8
+          - ember-lts-4.12
           - ember-release
           - ember-beta
           - ember-canary
diff --git a/config/ember-try.js b/config/ember-try.js
index d8bd6f97..eea59283 100644
--- a/config/ember-try.js
+++ b/config/ember-try.js
@@ -23,6 +23,38 @@ module.exports = async function () {
           },
         },
       },
+      {
+        name: 'ember-lts-3.28',
+        npm: {
+          devDependencies: {
+            'ember-source': '~3.28.0',
+          },
+        },
+      },
+      {
+        name: 'ember-lts-4.4',
+        npm: {
+          devDependencies: {
+            'ember-source': '~4.4.0',
+          },
+        },
+      },
+      {
+        name: 'ember-lts-4.8',
+        npm: {
+          devDependencies: {
+            'ember-source': '~4.8.0',
+          },
+        },
+      },
+      {
+        name: 'ember-lts-4.12',
+        npm: {
+          devDependencies: {
+            'ember-source': '~4.12.0',
+          },
+        },
+      },
       {
         name: 'ember-release',
         npm: {