diff --git a/package.json b/package.json
index 57a9afa6..33f08cd6 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
     "cookie-parser": "1.4.3",
     "cross-spawn": "^5.0.0",
     "dotenv": "^4.0.0",
-    "express": "4.15.2",
+    "express": "4.17.3",
     "express-session": "^1.13.0",
     "express-writer": "0.0.4",
     "express-validator": "^5.0.0",