diff --git a/error-reporting/package.json b/error-reporting/package.json
index 0c5fb6d054..59cd0efc4d 100644
--- a/error-reporting/package.json
+++ b/error-reporting/package.json
@@ -22,7 +22,7 @@
   },
   "dependencies": {
     "@google-cloud/error-reporting": "0.2.1",
-    "express": "4.15.4",
+    "express": "4.21.2",
     "yargs": "8.0.2"
   },
   "devDependencies": {