diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7f19fc8..ff35eb6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 [comment]: <> (## [Unreleased]&#40;https://github.com/lidofinance/lido-python-sdk&#41; - 2021-09-15)
 
+## [4.0.0](https://github.com/lidofinance/lido-python-sdk/pull/89) - 2023-03-10
+### Fixed
+- Support to Zhejiang testnet V2
+
 ## [3.0.4](https://github.com/lidofinance/lido-python-sdk/pull/86) - 2023-02-12
 ### Fixed
 - Node Operators has no keys issue.
diff --git a/lido_sdk/contract/abi/Lido.json b/lido_sdk/contract/abi/Lido.json
index 1d68935..eaea020 100644
--- a/lido_sdk/contract/abi/Lido.json
+++ b/lido_sdk/contract/abi/Lido.json
@@ -156,20 +156,6 @@
     "stateMutability": "nonpayable",
     "type": "function"
   },
-  {
-    "constant": true,
-    "inputs": [],
-    "name": "TOTAL_BASIS_POINTS",
-    "outputs": [
-      {
-        "name": "",
-        "type": "uint256"
-      }
-    ],
-    "payable": false,
-    "stateMutability": "view",
-    "type": "function"
-  },
   {
     "constant": true,
     "inputs": [
@@ -295,6 +281,20 @@
     "stateMutability": "view",
     "type": "function"
   },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_newDepositedValidators",
+        "type": "uint256"
+      }
+    ],
+    "name": "unsafeChangeDepositedValidators",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
   {
     "constant": true,
     "inputs": [],
@@ -388,8 +388,8 @@
     ],
     "name": "initialize",
     "outputs": [],
-    "payable": false,
-    "stateMutability": "nonpayable",
+    "payable": true,
+    "stateMutability": "payable",
     "type": "function"
   },
   {
@@ -638,6 +638,32 @@
     "stateMutability": "view",
     "type": "function"
   },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "eip712Domain",
+    "outputs": [
+      {
+        "name": "name",
+        "type": "string"
+      },
+      {
+        "name": "version",
+        "type": "string"
+      },
+      {
+        "name": "chainId",
+        "type": "uint256"
+      },
+      {
+        "name": "verifyingContract",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
   {
     "constant": true,
     "inputs": [],
@@ -703,6 +729,20 @@
     "stateMutability": "pure",
     "type": "function"
   },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getEIP712StETH",
+    "outputs": [
+      {
+        "name": "",
+        "type": "address"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
   {
     "constant": false,
     "inputs": [
@@ -845,6 +885,20 @@
     "stateMutability": "nonpayable",
     "type": "function"
   },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "UNSAFE_CHANGE_DEPOSITED_VALIDATORS_ROLE",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bytes32"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
   {
     "constant": true,
     "inputs": [],
@@ -867,6 +921,15 @@
     "stateMutability": "view",
     "type": "function"
   },
+  {
+    "constant": false,
+    "inputs": [],
+    "name": "removeStakingLimit",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
   {
     "constant": false,
     "inputs": [
@@ -895,9 +958,13 @@
         "type": "uint256"
       },
       {
-        "name": "_lastFinalizableRequestId",
+        "name": "_sharesRequestedToBurn",
         "type": "uint256"
       },
+      {
+        "name": "_withdrawalFinalizationBatches",
+        "type": "uint256[]"
+      },
       {
         "name": "_simulatedShareRate",
         "type": "uint256"
@@ -906,44 +973,14 @@
     "name": "handleOracleReport",
     "outputs": [
       {
-        "name": "totalPooledEther",
-        "type": "uint256"
-      },
-      {
-        "name": "totalShares",
-        "type": "uint256"
-      },
-      {
-        "name": "withdrawals",
-        "type": "uint256"
-      },
-      {
-        "name": "elRewards",
-        "type": "uint256"
+        "name": "postRebaseAmounts",
+        "type": "uint256[4]"
       }
     ],
     "payable": false,
     "stateMutability": "nonpayable",
     "type": "function"
   },
-  {
-    "constant": false,
-    "inputs": [],
-    "name": "removeStakingLimit",
-    "outputs": [],
-    "payable": false,
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
-  {
-    "constant": false,
-    "inputs": [],
-    "name": "receiveStakingRouterDepositRemainder",
-    "outputs": [],
-    "payable": true,
-    "stateMutability": "payable",
-    "type": "function"
-  },
   {
     "constant": true,
     "inputs": [],
@@ -1103,6 +1140,20 @@
     "stateMutability": "view",
     "type": "function"
   },
+  {
+    "constant": true,
+    "inputs": [],
+    "name": "getDepositableEther",
+    "outputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
   {
     "constant": true,
     "inputs": [
@@ -1185,6 +1236,40 @@
     "name": "StakingLimitRemoved",
     "type": "event"
   },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": true,
+        "name": "reportTimestamp",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "name": "preCLValidators",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "name": "postCLValidators",
+        "type": "uint256"
+      }
+    ],
+    "name": "CLValidatorsUpdated",
+    "type": "event"
+  },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "depositedValidators",
+        "type": "uint256"
+      }
+    ],
+    "name": "DepositedValidatorsChanged",
+    "type": "event"
+  },
   {
     "anonymous": false,
     "inputs": [
@@ -1334,18 +1419,6 @@
     "name": "Unbuffered",
     "type": "event"
   },
-  {
-    "anonymous": false,
-    "inputs": [
-      {
-        "indexed": false,
-        "name": "amount",
-        "type": "uint256"
-      }
-    ],
-    "name": "StakingRouterDepositRemainderReceived",
-    "type": "event"
-  },
   {
     "anonymous": false,
     "inputs": [
diff --git a/lido_sdk/contract/abi/NodeOperatorsRegistry.json b/lido_sdk/contract/abi/NodeOperatorsRegistry.json
index 8ee562e..9e82bbe 100644
--- a/lido_sdk/contract/abi/NodeOperatorsRegistry.json
+++ b/lido_sdk/contract/abi/NodeOperatorsRegistry.json
@@ -76,16 +76,17 @@
     "constant": false,
     "inputs": [
       {
-        "name": "_locator",
-        "type": "address"
-      },
+        "name": "_nodeOperatorId",
+        "type": "uint256"
+      }
+    ],
+    "name": "clearNodeOperatorPenalty",
+    "outputs": [
       {
-        "name": "_type",
-        "type": "bytes32"
+        "name": "",
+        "type": "bool"
       }
     ],
-    "name": "finalizeUpgrade_v2",
-    "outputs": [],
     "payable": false,
     "stateMutability": "nonpayable",
     "type": "function"
@@ -270,19 +271,19 @@
     "constant": false,
     "inputs": [
       {
-        "name": "_nodeOperatorId",
-        "type": "uint256"
+        "name": "_locator",
+        "type": "address"
       },
       {
-        "name": "_isTargetLimitActive",
-        "type": "bool"
+        "name": "_type",
+        "type": "bytes32"
       },
       {
-        "name": "_targetLimit",
-        "type": "uint64"
+        "name": "_stuckPenaltyDelay",
+        "type": "uint256"
       }
     ],
-    "name": "updateTargetValidatorsLimits",
+    "name": "initialize",
     "outputs": [],
     "payable": false,
     "stateMutability": "nonpayable",
@@ -462,15 +463,6 @@
     "stateMutability": "view",
     "type": "function"
   },
-  {
-    "constant": false,
-    "inputs": [],
-    "name": "onAllValidatorCountersUpdated",
-    "outputs": [],
-    "payable": false,
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
   {
     "constant": true,
     "inputs": [],
@@ -555,6 +547,20 @@
     "stateMutability": "view",
     "type": "function"
   },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "",
+        "type": "uint256"
+      }
+    ],
+    "name": "onRewardsMinted",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
   {
     "constant": true,
     "inputs": [],
@@ -657,6 +663,28 @@
     "stateMutability": "view",
     "type": "function"
   },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_locator",
+        "type": "address"
+      },
+      {
+        "name": "_type",
+        "type": "bytes32"
+      },
+      {
+        "name": "_stuckPenaltyDelay",
+        "type": "uint256"
+      }
+    ],
+    "name": "finalizeUpgrade_v2",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
   {
     "constant": true,
     "inputs": [],
@@ -679,6 +707,42 @@
     "stateMutability": "view",
     "type": "function"
   },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_nodeOperatorIds",
+        "type": "bytes"
+      },
+      {
+        "name": "_exitedValidatorsCounts",
+        "type": "bytes"
+      }
+    ],
+    "name": "updateExitedValidatorsCount",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_nodeOperatorIds",
+        "type": "bytes"
+      },
+      {
+        "name": "_stuckValidatorsCounts",
+        "type": "bytes"
+      }
+    ],
+    "name": "updateStuckValidatorsCount",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
   {
     "constant": false,
     "inputs": [
@@ -766,6 +830,28 @@
     "stateMutability": "view",
     "type": "function"
   },
+  {
+    "constant": false,
+    "inputs": [
+      {
+        "name": "_nodeOperatorId",
+        "type": "uint256"
+      },
+      {
+        "name": "_isTargetLimitActive",
+        "type": "bool"
+      },
+      {
+        "name": "_targetLimit",
+        "type": "uint256"
+      }
+    ],
+    "name": "updateTargetValidatorsLimits",
+    "outputs": [],
+    "payable": false,
+    "stateMutability": "nonpayable",
+    "type": "function"
+  },
   {
     "constant": false,
     "inputs": [
@@ -876,24 +962,6 @@
     "stateMutability": "view",
     "type": "function"
   },
-  {
-    "constant": false,
-    "inputs": [
-      {
-        "name": "_locator",
-        "type": "address"
-      },
-      {
-        "name": "_type",
-        "type": "bytes32"
-      }
-    ],
-    "name": "initialize",
-    "outputs": [],
-    "payable": false,
-    "stateMutability": "nonpayable",
-    "type": "function"
-  },
   {
     "constant": false,
     "inputs": [
@@ -908,10 +976,6 @@
     ],
     "name": "obtainDepositData",
     "outputs": [
-      {
-        "name": "depositsCount",
-        "type": "uint256"
-      },
       {
         "name": "publicKeys",
         "type": "bytes"
@@ -1029,18 +1093,9 @@
     "type": "function"
   },
   {
-    "constant": false,
-    "inputs": [
-      {
-        "name": "_nodeOperatorId",
-        "type": "uint256"
-      },
-      {
-        "name": "_exitedValidatorsCount",
-        "type": "uint256"
-      }
-    ],
-    "name": "updateExitedValidatorsCount",
+    "constant": true,
+    "inputs": [],
+    "name": "MAX_STUCK_PENALTY_DELAY",
     "outputs": [
       {
         "name": "",
@@ -1048,22 +1103,13 @@
       }
     ],
     "payable": false,
-    "stateMutability": "nonpayable",
+    "stateMutability": "view",
     "type": "function"
   },
   {
     "constant": false,
-    "inputs": [
-      {
-        "name": "_nodeOperatorId",
-        "type": "uint256"
-      },
-      {
-        "name": "_stuckValidatorsCount",
-        "type": "uint256"
-      }
-    ],
-    "name": "updateStuckValidatorsCount",
+    "inputs": [],
+    "name": "onExitedAndStuckValidatorsCountsUpdated",
     "outputs": [],
     "payable": false,
     "stateMutability": "nonpayable",
@@ -1101,20 +1147,6 @@
     "stateMutability": "nonpayable",
     "type": "function"
   },
-  {
-    "constant": true,
-    "inputs": [
-      {
-        "name": "",
-        "type": "uint256"
-      }
-    ],
-    "name": "handleRewardsMinted",
-    "outputs": [],
-    "payable": false,
-    "stateMutability": "view",
-    "type": "function"
-  },
   {
     "constant": false,
     "inputs": [
@@ -1127,7 +1159,7 @@
         "type": "uint256"
       },
       {
-        "name": "_stuckValidatorsKeysCount",
+        "name": "_stuckValidatorsCount",
         "type": "uint256"
       }
     ],
@@ -1151,6 +1183,25 @@
     "stateMutability": "view",
     "type": "function"
   },
+  {
+    "constant": true,
+    "inputs": [
+      {
+        "name": "_nodeOperatorId",
+        "type": "uint256"
+      }
+    ],
+    "name": "isOperatorPenaltyCleared",
+    "outputs": [
+      {
+        "name": "",
+        "type": "bool"
+      }
+    ],
+    "payable": false,
+    "stateMutability": "view",
+    "type": "function"
+  },
   {
     "anonymous": false,
     "inputs": [
@@ -1229,40 +1280,6 @@
     "name": "NodeOperatorRewardAddressSet",
     "type": "event"
   },
-  {
-    "anonymous": false,
-    "inputs": [
-      {
-        "indexed": true,
-        "name": "nodeOperatorId",
-        "type": "uint256"
-      },
-      {
-        "indexed": false,
-        "name": "stakingLimit",
-        "type": "uint64"
-      }
-    ],
-    "name": "NodeOperatorStakingLimitSet",
-    "type": "event"
-  },
-  {
-    "anonymous": false,
-    "inputs": [
-      {
-        "indexed": true,
-        "name": "nodeOperatorId",
-        "type": "uint256"
-      },
-      {
-        "indexed": false,
-        "name": "totalStopped",
-        "type": "uint64"
-      }
-    ],
-    "name": "NodeOperatorTotalStoppedValidatorsReported",
-    "type": "event"
-  },
   {
     "anonymous": false,
     "inputs": [
@@ -1292,18 +1309,6 @@
     "name": "KeysOpIndexSet",
     "type": "event"
   },
-  {
-    "anonymous": false,
-    "inputs": [
-      {
-        "indexed": false,
-        "name": "version",
-        "type": "uint256"
-      }
-    ],
-    "name": "ContractVersionSet",
-    "type": "event"
-  },
   {
     "anonymous": false,
     "inputs": [
@@ -1428,18 +1433,13 @@
   {
     "anonymous": false,
     "inputs": [
-      {
-        "indexed": true,
-        "name": "nodeOperatorId",
-        "type": "uint256"
-      },
       {
         "indexed": false,
-        "name": "stuckValidatorsCount",
+        "name": "stuckPenaltyDelay",
         "type": "uint256"
       }
     ],
-    "name": "StuckValidatorsCountChanged",
+    "name": "StuckPenaltyDelayChanged",
     "type": "event"
   },
   {
@@ -1452,11 +1452,21 @@
       },
       {
         "indexed": false,
-        "name": "RefundedValidatorsCount",
+        "name": "stuckValidatorsCount",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "name": "refundedValidatorsCount",
+        "type": "uint256"
+      },
+      {
+        "indexed": false,
+        "name": "stuckPenaltyEndTimestamp",
         "type": "uint256"
       }
     ],
-    "name": "RefundedValidatorsCountChanged",
+    "name": "StuckPenaltyStateChanged",
     "type": "event"
   },
   {
@@ -1493,6 +1503,18 @@
     "name": "NodeOperatorPenalized",
     "type": "event"
   },
+  {
+    "anonymous": false,
+    "inputs": [
+      {
+        "indexed": false,
+        "name": "version",
+        "type": "uint256"
+      }
+    ],
+    "name": "ContractVersionSet",
+    "type": "event"
+  },
   {
     "anonymous": false,
     "inputs": [
diff --git a/lido_sdk/contract/load_contract.py b/lido_sdk/contract/load_contract.py
index f7117df..7868bb6 100644
--- a/lido_sdk/contract/load_contract.py
+++ b/lido_sdk/contract/load_contract.py
@@ -12,7 +12,7 @@
     Network.Rinkeby: "0xF4242f9d78DB7218Ad72Ee3aE14469DBDE8731eD",
     Network.Kintsugi: "0x3a6a994AC0CC96b6DDbaA99F10769384Fa14227B",
     Network.Kiln: "0x3E50180cf438e185ec52Ade55855718584541476",
-    Network.Zhejiang: "0xEC9ac956D7C7fE5a94919fD23BAc4a42f950A403",
+    Network.Zhejiang: "0xDe82ADEd58dA35add75Ea4676239Ca169c8dCD15",
 }
 
 NODE_OPS_ADDRESSES = {
@@ -22,7 +22,7 @@
     Network.Rinkeby: "0x776dFe7Ec5D74526Aa65898B7d77FCfdf15ffBe6",
     Network.Kintsugi: "0xeb7D01f713F59EFfB350D05b7AF66720373D4F41",
     Network.Kiln: "0xb849C5b35DC45277Bad5c6F2c6C77183d842367c",
-    Network.Zhejiang: "0x8a1E2986E52b441058325c315f83C9D4129bDF72",
+    Network.Zhejiang: "0xB099EC462e42Ac2570fB298B42083D7A499045D8",
 }
 
 
diff --git a/pyproject.toml b/pyproject.toml
index e33914c..15779b2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "lido-sdk"
-version = "3.0.4"
+version = "4.0.0"
 description = "This library consolidates various functions to efficiently load network data for Lido, validate node operator keys and find key duplicates."
 authors = ["Lido <info@lido.fi>"]
 license = "MIT License"
diff --git a/setup.py b/setup.py
index a120884..5825de9 100644
--- a/setup.py
+++ b/setup.py
@@ -80,7 +80,7 @@
 # Where the magic happens:
 setup(
     name="lido-sdk",
-    version="3.0.4",
+    version="4.0.0",
     description="This library consolidates various functions to efficiently load network data for Lido,"
                 " validate node  operator keys and find key duplicates.",
     long_description=long_description,