diff --git a/package.json b/package.json
index ecd4910..77f943e 100644
--- a/package.json
+++ b/package.json
@@ -11,9 +11,11 @@
   "dependencies": {
     "express": "^4.17.1",
     "express-ws": "^4.0.0",
+    "isomorphic-ws": "^4.0.1",
+    "node-fetch": "^2.6.1",
     "say": "^0.16.0",
     "sqlite3": "^4.2.0",
     "tmp": "^0.2.1",
-    "ws": "^7.3.0"
+    "ws": "^7.4.1"
   }
 }