diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index c58df24..ed53a8e
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "twilio": "^3.0.0"
   },
   "devDependencies": {
-    "jest": "^19.0.2",
+    "jest": "^27.0.6",
     "jsonwebtoken": "^7.4.0"
   }
 }