diff --git a/package.json b/package.json
index 1b5b79e..41ce810 100644
--- a/package.json
+++ b/package.json
@@ -19,9 +19,9 @@
     "node": ">= 0.4.0"
   },
   "devDependencies": {
-    "chai": "1",
-    "mocha": "1",
-    "mocha-phantomjs": "3",
-    "jquery": "2.1.0"
+    "chai": "^3.5.0",
+    "mocha": "^3.1.2",
+    "mocha-phantomjs": "^4.1.0",
+    "jquery": "3.1.1"
   }
 }