diff --git a/package.json b/package.json
index 680bf2dd..8332b659 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "typescript": "1.8.7"
   },
   "dependencies": {
-    "babylon": "6.6.0",
+    "babylon": "6.6.4",
     "minimist": "1.2.0"
   },
   "publishConfig": {