diff --git a/package.json b/package.json
index 7e208cf0..a9223071 100644
--- a/package.json
+++ b/package.json
@@ -40,8 +40,8 @@
     "node": ">=0.8.0"
   },
   "dependencies": {
-    "async": "2.1.4",
-    "debug": "2.6.0",
+    "async": "2.3.0",
+    "debug": "2.6.3",
     "dotty": "0.0.2",
     "jsondate": "0.0.1",
     "lodash": "4.17.4",