diff --git a/package.json b/package.json
index 21fd7665..d01ec3a4 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "eslint-plugin-prettier": "^3.0.0",
     "gh-pages": "^2.0.1",
     "istanbul": "^0.4.5",
-    "jsdom": "^15.0.0",
+    "jsdom": "^14.0.0",
     "karma": "^4.1.0",
     "karma-browserstack-launcher": "1.4.0",
     "karma-chrome-launcher": "^2.2.0",