diff --git a/package.json b/package.json
index 7b60adc..2f4df81 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "es6-promise": "^4.1.1",
     "express": "^4.16.2",
     "fontfaceobserver": "^2.0.13",
-    "isomorphic-unfetch": "^2.0.0",
+    "isomorphic-unfetch": "^2.1.0",
     "object-assign": "^4.1.1",
     "offline-plugin": "^4.8.4",
     "prop-types": "^15.6.0",