diff --git a/packages/client/package.json b/packages/client/package.json
index 78193c8..71d990c 100644
--- a/packages/client/package.json
+++ b/packages/client/package.json
@@ -29,7 +29,7 @@
         "babel-loader": "^8.0.6",
         "bn-chai": "1.0.1",
         "css-loader": "^3.4.2",
-        "express": "4.16.4",
+        "express": "4.20.0",
         "favicons-webpack-plugin": "^2.1.0",
         "file-loader": "3.0.1",
         "ganache-cli": "^6.9.1",