diff --git a/package.json b/package.json
index 0137632..210a5f6 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "pigeon-maps": "^0.15.0",
     "pigeon-marker": "^0.3.4",
     "prismjs": "^1.20.0",
-    "promise-polyfill": "8.1.3",
+    "promise-polyfill": "8.3.0",
     "qrcode.react": "^0.9.3",
     "query-string": "^6.12.1",
     "react": "^16.13.1",