diff --git a/packages/backend/package.json b/packages/backend/package.json
index acb1610..5f3bfc7 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -17,7 +17,7 @@
     "cookie-parser": "~1.4.3",
     "cors": "^2.8.5",
     "debug": "~2.6.9",
-    "express": "~4.16.0",
+    "express": "~4.17.3",
     "http-errors": "~1.6.2",
     "jade": "~1.11.0",
     "js-sha256": "^0.9.0",