diff --git a/package.json b/package.json
index ab720781..c004b9b3 100644
--- a/package.json
+++ b/package.json
@@ -117,7 +117,7 @@
     "nomine": "^3.0.0",
     "object.omit": "^3.0.0",
     "onezip": "^3.0.0",
-    "opn": "^5.1.0",
+    "open": "^6.0.0",
     "package-json": "^6.0.0",
     "ponse": "^3.0.0",
     "pullout": "^3.0.0",
diff --git a/server/server.js b/server/server.js
index ca18db49..1c83f2b6 100644
--- a/server/server.js
+++ b/server/server.js
@@ -25,7 +25,7 @@ const shutdown = wraptile(async (promises) => {
     process.exit(0);
 });
 
-const opn = require('opn');
+const opn = require('open');
 const express = require('express');
 const io = require('socket.io');