diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 14c039e4b..15b07bb39 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -59,7 +59,9 @@ jobs:
           - test:one ember-lts-4.4
           - test:one ember-lts-4.8
           - test:one ember-lts-4.12
+          - test:one ember-lts-5.4
           - test:one ember-lts-5.8
+          - test:one ember-lts-5.12
           - test:one ember-6.0
           - test:one ember-default
           - test:one ember-release
diff --git a/packages/test-esa/config/ember-try.js b/packages/test-esa/config/ember-try.js
index ac91dcd83..7333001a2 100644
--- a/packages/test-esa/config/ember-try.js
+++ b/packages/test-esa/config/ember-try.js
@@ -57,6 +57,16 @@ module.exports = function () {
             },
           },
         },
+        {
+          name: 'ember-lts-5.4',
+          npm: {
+            devDependencies: {
+              'ember-cli': '~5.4.0',
+              'ember-source': '~5.4.0',
+              'ember-data': '~5.3.0',
+            },
+          },
+        },
         {
           name: 'ember-lts-5.8',
           npm: {
@@ -67,6 +77,16 @@ module.exports = function () {
             },
           },
         },
+        {
+          name: 'ember-lts-5.12',
+          npm: {
+            devDependencies: {
+              'ember-cli': '~5.12.0',
+              'ember-source': '~5.12.0',
+              'ember-data': '~5.3.0',
+            },
+          },
+        },
         {
           name: 'ember-6.0',
           npm: {