diff --git a/package.json b/package.json
index 6176045..e2cd881 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "dependencies" : {
         "cli-table": "0.0.x",
         "underscore": "1.2.x",
-        "underscore.string": "2.0.x",
+        "underscore.string": "3.3.x",
         "which": "1.0.x"
     },
     "repository" : {