diff --git a/package.json b/package.json
index 7e98190..65bb175 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
   "devDependencies": {
     "@nomiclabs/hardhat-ethers": "2.2.1",
     "@nomiclabs/hardhat-waffle": "2.0.3",
-    "@typechain/ethers-v5": "10.1.1",
+    "@typechain/ethers-v5": "11.1.2",
     "@typechain/hardhat": "6.1.4",
     "@types/chai": "4.3.4",
     "@types/chai-as-promised": "7.1.5",