diff --git a/package.json b/package.json
index 6d68e0e96..4483d2726 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,7 @@
     "@eth-optimism/contracts": "^0.5.40",
     "@ethersproject/abstract-provider": "5.7.0",
     "@ethersproject/abstract-signer": "5.7.0",
+    "@ethersproject/bignumber": "5.7.0",
     "@openzeppelin/contracts": "4.8.3",
     "@openzeppelin/contracts-upgradeable": "4.8.3",
     "@uma/common": "^2.29.0",
@@ -50,8 +51,8 @@
     "@nomiclabs/hardhat-waffle": "2.0.3",
     "@openzeppelin/hardhat-upgrades": "^1.22.0",
     "@pinata/sdk": "^2.1.0",
-    "@typechain/ethers-v5": "^10.2.1",
-    "@typechain/hardhat": "^6.1.6",
+    "@typechain/ethers-v5": "^11.0.0",
+    "@typechain/hardhat": "^8.0.0",
     "@types/chai": "^4.3.5",
     "@types/mocha": "^9.0.0",
     "@types/node": "^12.0.0",
diff --git a/yarn.lock b/yarn.lock
index d70f5ab04..32607c141 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3154,10 +3154,10 @@
   resolved "https://registry.yarnpkg.com/@tsconfig/node16/-/node16-1.0.2.tgz#423c77877d0569db20e1fc80885ac4118314010e"
   integrity sha512-eZxlbI8GZscaGS7kkc/trHTT5xgrjH3/1n2JDwusC9iahPKWMRvRjJSAN5mCXviuTGQ/lHnhvv8Q1YTpnfz9gA==
 
-"@typechain/ethers-v5@^10.2.1":
-  version "10.2.1"
-  resolved "https://registry.yarnpkg.com/@typechain/ethers-v5/-/ethers-v5-10.2.1.tgz#50241e6957683281ecfa03fb5a6724d8a3ce2391"
-  integrity sha512-n3tQmCZjRE6IU4h6lqUGiQ1j866n5MTCBJreNEHHVWXa2u9GJTaeYyU1/k+1qLutkyw+sS6VAN+AbeiTqsxd/A==
+"@typechain/ethers-v5@^11.0.0":
+  version "11.0.0"
+  resolved "https://registry.yarnpkg.com/@typechain/ethers-v5/-/ethers-v5-11.0.0.tgz#8a11b34a386a30eed34375d05a09f893f7df838f"
+  integrity sha512-JDAvOjtzGuEQukgArIEseHznS2+v+vG3TpfODjNj4tu1kgmVu66G9gk7THOO04HJ5q+OJSLx9b46lc3GRGPIVA==
   dependencies:
     lodash "^4.17.15"
     ts-essentials "^7.0.1"
@@ -3169,10 +3169,10 @@
   dependencies:
     ethers "^5.0.2"
 
-"@typechain/hardhat@^6.1.6":
-  version "6.1.6"
-  resolved "https://registry.yarnpkg.com/@typechain/hardhat/-/hardhat-6.1.6.tgz#1a749eb35e5054c80df531cf440819cb347c62ea"
-  integrity sha512-BiVnegSs+ZHVymyidtK472syodx1sXYlYJJixZfRstHVGYTi8V1O7QG4nsjyb0PC/LORcq7sfBUcHto1y6UgJA==
+"@typechain/hardhat@^8.0.0":
+  version "8.0.0"
+  resolved "https://registry.yarnpkg.com/@typechain/hardhat/-/hardhat-8.0.0.tgz#60568b7a2d0260cc741fb0830a8caee8eb06ac64"
+  integrity sha512-XUVbqlMx8tJTOmzZCD/r196CidtNWAnTBZRcYxjLTKgcJMvc/kHQpWBnVMMB5QHxVKpYpCiz8g07FYCpG8rrjA==
   dependencies:
     fs-extra "^9.1.0"