diff --git a/contracts/DIVAOwnershipSecondary.sol b/contracts/DIVAOwnershipSecondary.sol
index 3e7ccdf..e1713ed 100644
--- a/contracts/DIVAOwnershipSecondary.sol
+++ b/contracts/DIVAOwnershipSecondary.sol
@@ -110,11 +110,14 @@ contract DIVAOwnershipSecondary is UsingTellor, IDIVAOwnershipSecondary {
     {
         // Construct Tellor queryData and queryId:
         // https://github.com/tellor-io/dataSpecs/blob/main/types/EVMCall.md
-        // 0xa18a186b = bytes4(keccak256(abi.encodePacked("getCurrentOwner()")));
         queryData = 
                 abi.encode(
                     "EVMCall",
-                    abi.encode(_mainChainId, _ownershipContractMainChain, 0xa18a186b)
+                    abi.encode(
+                        _mainChainId,
+                        _ownershipContractMainChain,
+                        abi.encodeWithSignature("getCurrentOwner()")
+                    )
                 );
 
         queryId = keccak256(queryData);        
diff --git a/contracts/interfaces/IDIVAOwnershipSecondary.sol b/contracts/interfaces/IDIVAOwnershipSecondary.sol
index 478f78e..a9cc262 100644
--- a/contracts/interfaces/IDIVAOwnershipSecondary.sol
+++ b/contracts/interfaces/IDIVAOwnershipSecondary.sol
@@ -48,7 +48,7 @@ interface IDIVAOwnershipSecondary is IDIVAOwnershipShared {
      * for reporting values to Tellor protocol.
      * @dev The query data is an encoded string consisting of the query type
      * string "EVMCall", the main chain Id (1 for Ethereum), the address of
-     * the ownership contract on main chain as well as the function signature of the main
+     * the ownership contract on main chain as well as the encoded function signature of the main
      * chain function `getCurrentOwner()` (`0xa18a186b`). The query Id is the `keccak256`
      * hash of the query Data. Refer to the Tellor specs
      * (https://github.com/tellor-io/dataSpecs/blob/main/types/EVMCall.md)
diff --git a/package.json b/package.json
index c95dbb6..856585c 100644
--- a/package.json
+++ b/package.json
@@ -103,8 +103,8 @@
     "xdeployer": "^1.1.20"
   },
   "dependencies": {
-    "@openzeppelin/contracts": "^4.7.3",
-    "@openzeppelin/contracts-upgradeable": "^4.8.0-rc.1",
+    "@openzeppelin/contracts": "^4.8.3",
+    "@openzeppelin/contracts-upgradeable": "^4.8.3",
     "eip-712": "^1.0.0",
     "trees": "^0.0.4"
   },
diff --git a/test/DIVAOwnershipSecondary.test.ts b/test/DIVAOwnershipSecondary.test.ts
index a4c45d5..769af2e 100644
--- a/test/DIVAOwnershipSecondary.test.ts
+++ b/test/DIVAOwnershipSecondary.test.ts
@@ -22,17 +22,19 @@ const network = "goerli"; // for tellorPlayground address; should be the same as
 const mainChainId = 5;
 
 const getQueryDataAndId = (chainId: number, ownershipContractAddressMain: string): [string, string] => {
-    // 0xa18a186b = bytes4(keccak256(abi.encodePacked("getCurrentOwner")));
-    // Encode bytes4 value according to the Ethereum ABI specification, i.e. pad it with leading zeros
-    // to fill an entire 32-byte (64 bits) slot.
-    const hexValue = 'a18a186b';
-    const paddedHexValue = hexValue.padStart(64, '0');
-    const prefixedHexValue = '0x' + paddedHexValue; // 00000000000000000000000000000000000000000000000000000000a18a186b
+   
+    // Perform equivalent of `abi.encodeWithSignature("getCurrentOwner()")` in Solidity using ethers
+    const ABI = [
+        "function getCurrentOwner()"
+    ];
+    const iface = new ethers.utils.Interface(ABI);
+    const encodedFunctionSignature = iface.encodeFunctionData("getCurrentOwner"); // 0xa18a186b
     
+    // Generate `queryData` and `queryId`
     const abiCoder = new ethers.utils.AbiCoder();
     const queryDataArgs = abiCoder.encode(
-      ["uint256", "address", "bytes32"],
-      [chainId, ownershipContractAddressMain, prefixedHexValue] // 0xa18a186b = bytes4(keccak256(abi.encodePacked("getCurrentOwner")));
+      ["uint256", "address", "bytes"],
+      [chainId, ownershipContractAddressMain, encodedFunctionSignature]
     );
     const queryData = abiCoder.encode(
       ["string", "bytes"],
diff --git a/test/EIP712.test.ts b/test/EIP712.test.ts
index 41f56bb..10e8325 100644
--- a/test/EIP712.test.ts
+++ b/test/EIP712.test.ts
@@ -865,7 +865,7 @@ describe("EIP712", async function () {
               signature,
               offerCreateContingentPool.takerCollateralAmount
             )
-        ).to.be.revertedWith("ECDSA: invalid signature 'v' value");
+        ).to.be.revertedWith("ECDSA: invalid signature");
       });
 
       it("Reverts if offerExpiry has passed (offer status = EXPIRED)", async () => {
@@ -3234,7 +3234,7 @@ describe("EIP712", async function () {
               signature,
               offerAddLiquidity.takerCollateralAmount
             )
-        ).to.be.revertedWith("ECDSA: invalid signature 'v' value");
+        ).to.be.revertedWith("ECDSA: invalid signature");
       });
 
       it("Reverts if offerExpiry has passed (offer status = EXPIRED)", async () => {
@@ -5668,7 +5668,7 @@ describe("EIP712", async function () {
               signature,
               offerRemoveLiquidity.positionTokenAmount
             )
-        ).to.be.revertedWith("ECDSA: invalid signature 'v' value");
+        ).to.be.revertedWith("ECDSA: invalid signature");
       });
 
       it("Reverts if offerExpiry has passed (offer status = EXPIRED)", async () => {