diff --git a/package.json b/package.json
index 42d8ae7..2d9f70e 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
   },
   "dependencies": {
     "cors": "^2.8.5",
-    "express": "^4.16.4",
+    "express": "^4.22.0",
     "event-stream": "3.3.4",
     "cryptiles": ">=4.1.2"
   },