diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 536dcb1..ffd150d
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "fast-csv": "^2.4.0",
     "helmet": "^3.8.1",
     "jsonwebtoken": "^7.4.2",
-    "kerberos": "0.0.23",
+    "kerberos": "1.1.3",
     "mongodb-core": "^2.1.14",
     "mongoose": "^4.11.5",
     "multer": "^1.3.0",