diff --git a/package.json b/package.json
index 5a4c16e0a..b25f1a046 100644
--- a/package.json
+++ b/package.json
@@ -91,7 +91,8 @@
     "moment": "~2.24.0",
     "postscribe": "^2.0.8",
     "qunit-dom": "^1.0.0",
-    "svgxuse": "^1.2.6"
+    "svgxuse": "^1.2.6",
+    "whatwg-fetch": "3.2.0"
   },
   "engines": {
     "node": "10.* || >= 12"