diff --git a/package.json b/package.json
index 3ef02a5..67a5ccc 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,14 @@
   "name": "chai-timers",
   "description": "Allows the Chai Assertion library to create and measure timers.",
   "version": "0.2.0",
-  "keywords": ["chai", "chai-plugin", "browser", "math", "time", "timers"],
+  "keywords": [
+    "chai",
+    "chai-plugin",
+    "browser",
+    "math",
+    "time",
+    "timers"
+  ],
   "repository": {
     "type": "git",
     "url": "git://github.com/chaijs/chai-timers.git"
@@ -14,7 +21,7 @@
   },
   "dependencies": {},
   "devDependencies": {
-    "mocha": "*",
+    "mocha": "2.5.2",
     "chai": "*",
     "folio": "0.3.x"
   },