diff --git a/exApp/package.json b/exApp/package.json
index fdff343..6cd8fdf 100644
--- a/exApp/package.json
+++ b/exApp/package.json
@@ -6,7 +6,7 @@
     "start": "node ./bin/www"
   },
   "dependencies": {
-    "express": "~4.2.0",
+    "express": "~4.17.1",
     "static-favicon": "~1.0.0",
     "morgan": "~1.0.0",
     "cookie-parser": "~1.0.1",