diff --git a/package.json b/package.json
index c28be23..facba14 100644
--- a/package.json
+++ b/package.json
@@ -175,7 +175,7 @@
     "node-dir": "0.1.17",
     "node-uuid": "1.4.8",
     "open": "0.0.5",
-    "prettydiff2": "2.2.3",
+    "prettydiff2": ">2.2.3",
     "pug-beautify": "^0.1.1",
     "remark": "6.0.1",
     "season": "6.0.0",