diff --git a/package-lock.json b/package-lock.json
index 8ca8a6d1d5..d7439d1daf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,6 +22,7 @@
         "marked": "0.3.5",
         "mixin-deep": "^1.3.2",
         "mongodb": "^2.1.18",
+        "ms": "2.0.0",
         "needle": "2.2.4",
         "node-esapi": "0.0.1",
         "on-headers": "^1.1.0",
diff --git a/package.json b/package.json
index 9703e6459b..4c61ebced7 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,7 @@
     "marked": "0.3.5",
     "mixin-deep": "^1.3.2",
     "mongodb": "^2.1.18",
+    "ms": "2.0.0",
     "needle": "2.2.4",
     "node-esapi": "0.0.1",
     "on-headers": "^1.1.0",