diff --git a/package.json b/package.json
index 8c7e774..5ca2889 100644
--- a/package.json
+++ b/package.json
@@ -23,9 +23,9 @@
   "dependencies": {
     "async": "^1.5.0",
     "escape-html": "^1.0.3",
-    "finalhandler": "^0.4.0",
+    "finalhandler": "^1.0.6",
     "minimist": "^1.2.0",
     "serve-static": "^1.10.0",
-    "ws": "^2.0.0"
+    "ws": "^5.2.3"
   }
 }