Updated dependencies

Author: piranna

package.json

@@ -14,7 +14,7 @@
   "license": "MIT",
   "dependencies": {
     "builddependencies": "^0.0.1",
-    "prebuild-install": "^2.1.0"
+    "prebuild-install": "^2.2.2"
   },
   "buildDependencies": [
     "barebonesos-linux",
@@ -24,13 +24,13 @@
   "devDependencies": {
     "barebonesos-linux": "^1.1.1",
     "ci-publish": "^1.3.0",
-    "download-manager": "^0.1.3",
+    "download-manager": "^0.1.4",
     "minimist": "^1.2.0",
     "nodeos-cross-toolchain": "^1.0.0-RC3.1",
-    "nodeos-nodejs": "^6.9.5-0",
-    "prebuild": "^6.0.0",
-    "qemu": "^2.8.0",
-    "suppose": "^0.6.1"
+    "nodeos-nodejs": "^8.4.0",
+    "prebuild": "^6.2.1",
+    "qemu": "^2.9.0",
+    "suppose": "^0.6.2"
   },
   "description": "Generate a NodeOS barebones image",
   "repository": {