diff --git a/package.json b/package.json
index 727f37ba15d785dd3c26447a2145cf2f940e7e46..41111295857b7b0a78e649592d7777bc71c6ca49 100644
--- a/package.json
+++ b/package.json
@@ -14,17 +14,17 @@
   "license": "MIT",
   "devDependencies": {
     "clone": "^0.1.19",
-    "glob": "^4.3.5",
+    "glob": "^4.5.3",
     "grunt": "^0.4.5",
-    "grunt-parts": "^0.3.1",
+    "grunt-parts": "^0.4.0",
     "jayschema": "^0.3.1",
     "semver": "^4.2.0",
     "tv4": "^1.1.9",
-    "z-schema": "^3.3.1"
+    "z-schema": "^3.9.5"
   },
   "dependencies": {
     "chance": "^0.7.4",
-    "deref": "^0.2.8",
+    "deref": "^0.3.0",
     "faker": "^2.1.2",
     "randexp": "^0.4.0"
   }