diff --git a/tsconfig.json b/tsconfig.json
index 0ff17b0..21ea5d7 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -7,7 +7,7 @@
     "esModuleInterop": true,
     "experimentalDecorators": true,
     "forceConsistentCasingInFileNames": true,
-    "lib": ["es6"],
+    "lib": ["es2020"],
     "module": "commonjs",
     "moduleResolution": "node",
     "noImplicitAny": true,
@@ -15,7 +15,7 @@
     "resolveJsonModule": true,
     "sourceMap": true,
     "strict": true,
-    "target": "es6",
+    "target": "es2020",
     "outDir": "dist",
     "paths": {
       "@nomiclabs/hardhat-ethers": ["node_modules/hardhat-deploy-ethers"]
diff --git a/yarn.lock b/yarn.lock
index 127922e..1cdd5d8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3544,7 +3544,42 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@venusprotocol/protocol-reserve@^2.0.0, @venusprotocol/protocol-reserve@workspace:.":
+"@venusprotocol/protocol-reserve@npm:^1.1.0":
+  version: 1.5.0
+  resolution: "@venusprotocol/protocol-reserve@npm:1.5.0"
+  dependencies:
+    "@nomiclabs/hardhat-ethers": ^2.2.3
+    "@openzeppelin/contracts": ^4.8.3
+    "@openzeppelin/contracts-upgradeable": ^4.8.3
+    "@openzeppelin/hardhat-upgrades": ^1.21.0
+    "@solidity-parser/parser": ^0.13.2
+    "@venusprotocol/solidity-utilities": ^1.3.0
+    ethers: ^5.7.0
+    hardhat-deploy: ^0.11.14
+    module-alias: ^2.2.2
+  checksum: 813bc162103ab756e84bbb0e65fd416ed105cb4a06f9fe55d4a2a066af5bd63b11ca9f2c791376148114ce2b469970c8fe29c85ee1d47f9da9841f2eac8b01e0
+  languageName: node
+  linkType: hard
+
+"@venusprotocol/protocol-reserve@npm:^2.0.0":
+  version: 2.4.0
+  resolution: "@venusprotocol/protocol-reserve@npm:2.4.0"
+  dependencies:
+    "@nomiclabs/hardhat-ethers": ^2.2.3
+    "@openzeppelin/contracts": ^4.8.3
+    "@openzeppelin/contracts-upgradeable": ^4.8.3
+    "@openzeppelin/hardhat-upgrades": ^1.21.0
+    "@solidity-parser/parser": ^0.13.2
+    "@venusprotocol/solidity-utilities": ^2.0.3
+    "@venusprotocol/venus-protocol": ^9.1.0
+    ethers: ^5.7.0
+    hardhat-deploy: ^0.11.14
+    module-alias: ^2.2.2
+  checksum: 6e5ffa1c458cff073f9b920ab6385d9db0c86ac11d0950fe421a853e709ee12ec0013c6d3e9cb4e50e94f749dcd33e7a515d57828c5aa6f925dee8324e896ee5
+  languageName: node
+  linkType: hard
+
+"@venusprotocol/protocol-reserve@workspace:.":
   version: 0.0.0-use.local
   resolution: "@venusprotocol/protocol-reserve@workspace:."
   dependencies:
@@ -3612,23 +3647,6 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@venusprotocol/protocol-reserve@npm:^1.1.0":
-  version: 1.5.0
-  resolution: "@venusprotocol/protocol-reserve@npm:1.5.0"
-  dependencies:
-    "@nomiclabs/hardhat-ethers": ^2.2.3
-    "@openzeppelin/contracts": ^4.8.3
-    "@openzeppelin/contracts-upgradeable": ^4.8.3
-    "@openzeppelin/hardhat-upgrades": ^1.21.0
-    "@solidity-parser/parser": ^0.13.2
-    "@venusprotocol/solidity-utilities": ^1.3.0
-    ethers: ^5.7.0
-    hardhat-deploy: ^0.11.14
-    module-alias: ^2.2.2
-  checksum: 813bc162103ab756e84bbb0e65fd416ed105cb4a06f9fe55d4a2a066af5bd63b11ca9f2c791376148114ce2b469970c8fe29c85ee1d47f9da9841f2eac8b01e0
-  languageName: node
-  linkType: hard
-
 "@venusprotocol/solidity-utilities@npm:2.0.0, @venusprotocol/solidity-utilities@npm:^2.0.0":
   version: 2.0.0
   resolution: "@venusprotocol/solidity-utilities@npm:2.0.0"