diff --git a/packages/relayer/package.json b/packages/relayer/package.json
index d20bfd4..16a822a 100644
--- a/packages/relayer/package.json
+++ b/packages/relayer/package.json
@@ -14,7 +14,7 @@
     "cors": "^2.8.5",
     "dotenv": "^8.1.0",
     "ethers": "^4.0.36",
-    "express": "^4.17.1",
+    "express": "^4.17.3",
     "express-async-handler": "^1.1.4",
     "mongoose": "^5.6.11",
     "util": "^0.12.1",