diff --git a/test/package.json b/test/package.json
index 9bcf24a2..7e455b8b 100644
--- a/test/package.json
+++ b/test/package.json
@@ -17,14 +17,14 @@
     "@types/webdriverio": "^4.0.32",
     "chai": "^3.5.0",
     "cross-spawn": "^5.0.1",
-    "mkdirp": "^0.5.1",
+    "mkdirp": "^1.0.0",
     "portastic": "^1.0.1",
     "rimraf": "^2.5.4",
-    "selenium-standalone": "^5.9.0",
+    "selenium-standalone": "^6.0.0",
     "tree-kill": "^1.1.0",
     "typescript": "^2.1.4",
-    "webdriverio": "^4.5.0",
-    "yo": "^1.8.5"
+    "webdriverio": "^5.0.0",
+    "yo": "^2.0.0"
   },
   "devDependencies": {
     "wdio-junit-reporter": "^0.2.0",