diff --git a/package.json b/package.json
index 13b0ea1..c89881e 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,7 @@
   "main": "index.js",
   "dependencies": {
     "bent": "^7.3.12",
+    "dialog-polyfill": "^0.5.6",
     "doipjs": "^0.11.2",
     "dotenv": "^8.2.0",
     "express": "^4.17.1",
diff --git a/routes/static.js b/routes/static.js
index a990d7b..87326d2 100644
--- a/routes/static.js
+++ b/routes/static.js
@@ -36,6 +36,7 @@ router.get('/doip.min.js', function(req, res) {
 router.get('/doip.js', function(req, res) {
     res.sendFile(`node_modules/doipjs/dist/doip.js`, { root: `${__dirname}/../` })
 });
+
 router.get('/openpgp.min.js', function(req, res) {
     res.sendFile(`node_modules/openpgp/dist/openpgp.min.js`, { root: `${__dirname}/../` })
 });
@@ -50,6 +51,13 @@ router.get('/qrcode.min.js.map', function(req, res) {
     res.sendFile(`node_modules/qrcode/build/qrcode.min.js.map`, { root: `${__dirname}/../` })
 });
 
+router.get('/dialog-polyfill.js', function(req, res) {
+    res.sendFile(`node_modules/dialog-polyfill/dist/dialog-polyfill.js`, { root: `${__dirname}/../` })
+});
+router.get('/dialog-polyfill.css', function(req, res) {
+    res.sendFile(`node_modules/dialog-polyfill/dist/dialog-polyfill.css`, { root: `${__dirname}/../` })
+});
+
 router.use('/', express.static('static'));
 
 module.exports = router;
diff --git a/yarn.lock b/yarn.lock
index cfec009..ab9edf5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -851,6 +851,11 @@ detective@^5.2.0:
     defined "^1.0.0"
     minimist "^1.1.1"
 
+dialog-polyfill@^0.5.6:
+  version "0.5.6"
+  resolved "https://registry.yarnpkg.com/dialog-polyfill/-/dialog-polyfill-0.5.6.tgz#7507b4c745a82fcee0fa07ce64d835979719599a"
+  integrity sha512-ZbVDJI9uvxPAKze6z146rmfUZjBqNEwcnFTVamQzXH+svluiV7swmVIGr7miwADgfgt1G2JQIytypM9fbyhX4w==
+
 diffie-hellman@^5.0.0:
   version "5.0.3"
   resolved "https://registry.yarnpkg.com/diffie-hellman/-/diffie-hellman-5.0.3.tgz#40e8ee98f55a2149607146921c63e1ae5f3d2875"