diff --git a/package.json b/package.json
index 444cd1f7..3e62f785 100644
--- a/package.json
+++ b/package.json
@@ -53,7 +53,7 @@
 		"@devprotocol/protocol-v2": "^0.6.0",
 		"@openzeppelin/contracts-upgradeable": "^4.4.2",
 		"@openzeppelin/hardhat-upgrades": "^1.22.1",
-		"@typechain/ethers-v5": "^9.0.0",
+		"@typechain/ethers-v5": "^11.0.0",
 		"@typechain/hardhat": "^2.3.0",
 		"@uniswap/v2-periphery": "^1.1.0-beta.0",
 		"@uniswap/v3-periphery": "^1.4.0",
diff --git a/yarn.lock b/yarn.lock
index 73268cf1..6eb47d8b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1390,6 +1390,14 @@
     lodash "^4.17.15"
     ts-essentials "^7.0.1"
 
+"@typechain/ethers-v5@^11.0.0":
+  version "11.1.1"
+  resolved "https://registry.yarnpkg.com/@typechain/ethers-v5/-/ethers-v5-11.1.1.tgz#23a358135a302140cf89a186592464dd6bbf1f98"
+  integrity sha512-D9WyUrCJ4Z5Gg8T00HWLpuqn1CqSDXlCiUOOpLaWoCbnZrE2jSIOUwR9blBZNo6LE5058e3niVu6xk205Et7tg==
+  dependencies:
+    lodash "^4.17.15"
+    ts-essentials "^7.0.1"
+
 "@typechain/ethers-v5@^2.0.0":
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/@typechain/ethers-v5/-/ethers-v5-2.0.0.tgz#cd3ca1590240d587ca301f4c029b67bfccd08810"
@@ -1397,14 +1405,6 @@
   dependencies:
     ethers "^5.0.2"
 
-"@typechain/ethers-v5@^9.0.0":
-  version "9.0.0"
-  resolved "https://registry.yarnpkg.com/@typechain/ethers-v5/-/ethers-v5-9.0.0.tgz#6aa93bea7425c0463bd8a61eea3643540ef851bd"
-  integrity sha512-bAanuPl1L2itaUdMvor/QvwnIH+TM/CmG00q17Ilv3ZZMeJ2j8HcarhgJUZ9pBY1teBb85P8cC03dz3mSSx+tQ==
-  dependencies:
-    lodash "^4.17.15"
-    ts-essentials "^7.0.1"
-
 "@typechain/hardhat@^2.3.0":
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/@typechain/hardhat/-/hardhat-2.3.1.tgz#1e8a6e3795e115a5d5348526282b5c597fab0b78"