diff --git a/package.json b/package.json
index 2af74fe..adf7277 100644
--- a/package.json
+++ b/package.json
@@ -69,7 +69,7 @@
     "eslint": "^3.14.0",
     "eslint-plugin-ava": "^4.0.1",
     "fake-indexeddb": "^1.0.8",
-    "fetch-mock": "^5.5.0",
+    "fetch-mock": "^6.0.0",
     "husky": "^0.12.0",
     "nyc": "^10.0.0",
     "rimraf": "^2.5.4",