diff --git a/package.json b/package.json
index dfcfde0..c8da0f3 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "eventemitter2": "~0.4.9",
     "wrench": "~1.3.9",
     "commander": "~1.0.2",
-    "ps": "0.0.0",
+    "ps": "1.0.0",
     "short-id": "0.1.0",
     "exists-patch": "0.0.0",
     "gitjs": "0.0.5-1",