diff --git a/package.json b/package.json
index 21d612b..d5584da 100644
--- a/package.json
+++ b/package.json
@@ -49,6 +49,7 @@
     "minimatch": "^3.0.4"
   },
   "devDependencies": {
+    "regenerator-runtime": "^0.13.7",
     "chai": "^4.2.0",
     "chai-datetime": "^1.5.0",
     "eslint": "^6.8.0",