diff --git a/hardhat/package.json b/hardhat/package.json
index 1885097648..604d546d9e 100644
--- a/hardhat/package.json
+++ b/hardhat/package.json
@@ -22,5 +22,6 @@
     "@nomiclabs/hardhat-waffle": "^2.0.0",
     "ethereum-waffle": "^3.4.0",
     "chai": "^4.3.4"
+    "ethers": "^5.0.0"
   }
 }