update test dependencies

spec/package.json

@@ -4,16 +4,16 @@
   "main": "static/main.js",
   "version": "0.1.0",
   "devDependencies": {
-    "basic-auth": "^1.0.0",
-    "graceful-fs": "3.0.5",
-    "mocha": "2.1.0",
-    "mkdirp": "0.5.1",
-    "multiparty": "4.1.2",
-    "q": "0.9.7",
-    "temp": "0.8.1",
-    "walkdir": "0.0.7",
-    "ws": "0.7.2",
-    "yargs": "^4.7.1"
+    "basic-auth": "^1.0.4",
+    "graceful-fs": "^4.1.9",
+    "mkdirp": "^0.5.1",
+    "mocha": "^3.1.0",
+    "multiparty": "^4.1.2",
+    "q": "^1.4.1",
+    "temp": "^0.8.3",
+    "walkdir": "0.0.11",
+    "ws": "^1.1.1",
+    "yargs": "^6.0.0"
   },
   "optionalDependencies": {
     "ffi": "2.0.0",