diff --git a/samples/package.json b/samples/package.json
index ab080f634..07930c8db 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -18,11 +18,11 @@
   },
   "dependencies": {
     "@google-cloud/pubsub": "4.0.0",
-    "yargs": "10.1.2"
+    "yargs": "11.1.1"
   },
   "devDependencies": {
     "@google-cloud/nodejs-repo-tools": "3.3.0",
-    "ava": "^4.0.0",
+    "ava": "^5.3.0",
     "nyc": "^15.0.0",
     "proxyquire": "1.8.0",
     "sinon": "4.5.0",