diff --git a/appengine/hello-world/flexible/package.json b/appengine/hello-world/flexible/package.json
index 39537de4e11..f675ae464df 100644
--- a/appengine/hello-world/flexible/package.json
+++ b/appengine/hello-world/flexible/package.json
@@ -22,10 +22,11 @@
     "e2e-test": "repo-tools test deploy"
   },
   "dependencies": {
-    "express": "4.16.2"
+    "express": "^4.16.3"
   },
   "devDependencies": {
-    "@google-cloud/nodejs-repo-tools": "2.2.1"
+    "@google-cloud/nodejs-repo-tools": "^2.3.0",
+    "semistandard": "^12.0.1"
   },
   "cloud-repo-tools": {
     "test": {
diff --git a/appengine/hello-world/standard/package.json b/appengine/hello-world/standard/package.json
index f4a3a3efc89..8c6ba68694d 100644
--- a/appengine/hello-world/standard/package.json
+++ b/appengine/hello-world/standard/package.json
@@ -15,17 +15,18 @@
   "scripts": {
     "deploy": "gcloud app deploy",
     "start": "node app.js",
-    "lint": "samples lint",
+    "lint": "repo-tools lint",
     "pretest": "npm run lint",
-    "system-test": "samples test app",
+    "system-test": "repo-tools test app",
     "test": "npm run system-test",
-    "e2e-test": "samples test deploy"
+    "e2e-test": "repo-tools test deploy"
   },
   "dependencies": {
-    "express": "4.16.2"
+    "express": "^4.16.3"
   },
   "devDependencies": {
-    "@google-cloud/nodejs-repo-tools": "2.2.1"
+    "@google-cloud/nodejs-repo-tools": "^2.3.0",
+    "semistandard": "^12.0.1"
   },
   "cloud-repo-tools": {
     "test": {
diff --git a/circle.yml b/circle.yml
index 3e5d0b82a14..8e56ab6d8d0 100644
--- a/circle.yml
+++ b/circle.yml
@@ -99,7 +99,8 @@ deployment:
       - node scripts/build "appengine/datastore"
       - node scripts/build "appengine/endpoints"
       - node scripts/build "appengine/errorreporting"
-      - node scripts/build "appengine/hello-world"
+      - node scripts/build "appengine/flexible/hello-world"
+      - node scripts/build "appengine/standard/hello-world"
       - node scripts/build "appengine/mailjet"
       - node scripts/build "appengine/metadata/flexible"
       - node scripts/build "appengine/metadata/standard"