diff --git a/package.json b/package.json
index 5304945..6522bed 100644
--- a/package.json
+++ b/package.json
@@ -57,7 +57,7 @@
     "verror": "~1.10.0"
   },
   "devDependencies": {
-    "@types/express": "~4.16.0",
+    "@types/express": "~4.17.0",
     "async": "~2.6.0",
     "benchmark": "~2.1.4",
     "bluebird": "~3.5.0",