diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cc51148c..5e1b93b2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -73,9 +73,9 @@ jobs:
           - ./node_modules/.bin/ember try:each --config-path='../test/fixtures/dummy-ember-try-config.js' --skip-cleanup true
 
           # try:ember
-          - ./node_modules/.bin/ember try:ember '> 3.26.0 < 3.28.0'
-          - ./node_modules/.bin/ember try:ember '3.18.0' --config-path='../test/fixtures/dummy-ember-try-config.js'
-          - ./node_modules/.bin/ember try:ember '3.24.0' --skip-cleanup=true
+          - ./node_modules/.bin/ember try:ember '> 3.28.0 < 4.2.0'
+          - ./node_modules/.bin/ember try:ember '4.1.0' --config-path='../test/fixtures/dummy-ember-try-config.js'
+          - ./node_modules/.bin/ember try:ember '4.2.0' --skip-cleanup=true
 
           # try:config
           - ./node_modules/.bin/ember try:config
diff --git a/smoke-test-app/tests/dummy/config/ember-try.js b/smoke-test-app/tests/dummy/config/ember-try.js
index 2ae0c40c..9530b8d3 100644
--- a/smoke-test-app/tests/dummy/config/ember-try.js
+++ b/smoke-test-app/tests/dummy/config/ember-try.js
@@ -6,30 +6,6 @@ const { embroiderSafe, embroiderOptimized } = require('@embroider/test-setup');
 module.exports = async function () {
   return {
     scenarios: [
-      {
-        name: 'ember-lts-3.16',
-        npm: {
-          devDependencies: {
-            'ember-source': '~3.16.0',
-          },
-        },
-      },
-      {
-        name: 'ember-lts-3.20',
-        npm: {
-          devDependencies: {
-            'ember-source': '~3.20.0',
-          },
-        },
-      },
-      {
-        name: 'ember-lts-3.24',
-        npm: {
-          devDependencies: {
-            'ember-source': '~3.24.3',
-          },
-        },
-      },
       {
         name: 'ember-lts-3.28',
         npm: {