diff --git a/package.json b/package.json
index 6ef3208d..4e6b41ad 100644
--- a/package.json
+++ b/package.json
@@ -46,12 +46,12 @@
     "graphviz": "^0.0.8",
     "mz": "^2.4.0",
     "rc": "^1.1.6",
-    "walkdir": "0.0.11"
+    "walkdir": "^0.0.11"
   },
   "devDependencies": {
     "@aptoma/eslint-config": "^4.0.0",
     "eslint": "^3.0.0",
-    "mocha": "^3.0.2",
+    "mocha": "^3.2.0",
     "should": "^11.1.0"
   }
 }