diff --git a/package/build/package.json b/package/build/package.json
index 7976a812..244581c4 100644
--- a/package/build/package.json
+++ b/package/build/package.json
@@ -60,7 +60,7 @@
 		"eslint-loader": "^3.0.2",
 		"eventsource-polyfill": "*",
 		"exports-loader": "^0.7.0",
-		"express": "4.19.2",
+		"express": "4.20.0",
 		"extract-text-webpack-plugin": "^4.0.0-beta.0",
 		"file-loader": "^4.2.0",
 		"fork-ts-checker-webpack-plugin": "^4.1.2",