diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index c58df24..d31c221
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "node": ">=6.10.0 <8.0.0"
   },
   "dependencies": {
-    "dotenv": "^4.0.0",
+    "dotenv": "^9.0.1",
     "express": "^4.15.2",
     "twilio": "^3.0.0"
   },