diff --git a/src/ITransparentVerifiableProxy.sol b/src/ITransparentVerifiableProxy.sol
new file mode 100644
index 0000000..c5fca5d
--- /dev/null
+++ b/src/ITransparentVerifiableProxy.sol
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.20;
+
+interface ITransParentVerifiableProxy {
+    function salt() external view returns (uint256);
+
+    function owner() external view returns (address);
+
+    function creator() external view returns (address);
+}
diff --git a/src/TransparentVerifiableProxy.sol b/src/TransparentVerifiableProxy.sol
index d19de15..0aebffc 100644
--- a/src/TransparentVerifiableProxy.sol
+++ b/src/TransparentVerifiableProxy.sol
@@ -8,6 +8,7 @@ pragma solidity ^0.8.20;
 import {Proxy} from "@openzeppelin/contracts/proxy/Proxy.sol";
 import {ERC1967Utils} from "@openzeppelin/contracts/proxy/ERC1967/ERC1967Utils.sol";
 import {Initializable} from "@openzeppelin/contracts/proxy/utils/Initializable.sol";
+import {ITransParentVerifiableProxy} from "./ITransparentVerifiableProxy.sol";
 
 // EIP-2535 Diamond Storage pattern
 // ref: https://eips.ethereum.org/EIPS/eip-2535#storage
@@ -24,7 +25,7 @@ library StorageSlot {
     }
 }
 
-interface ITransparentVerifiableProxy {
+interface ITransparentVerifiableProxy is ITransParentVerifiableProxy {
     /// @dev See {UUPSUpgradeable-upgradeToAndCall}
     function upgradeToAndCall(address newImplementation, bytes calldata data) external payable;
 }
diff --git a/src/VerifiableFactory.sol b/src/VerifiableFactory.sol
index bb9d96e..cfd427d 100644
--- a/src/VerifiableFactory.sol
+++ b/src/VerifiableFactory.sol
@@ -4,12 +4,7 @@ pragma solidity ^0.8.20;
 import {console} from "forge-std/console.sol";
 import {Create2} from "@openzeppelin/contracts/utils/Create2.sol";
 import {ITransparentVerifiableProxy, TransparentVerifiableProxy} from "./TransparentVerifiableProxy.sol";
-
-interface IProxy {
-    function salt() external view returns (uint256);
-
-    function owner() external view returns (address);
-}
+import {ITransParentVerifiableProxy} from "./ITransParentVerifiableProxy.sol";
 
 contract VerifiableFactory {
     event ProxyDeployed(address indexed sender, address indexed proxyAddress, uint256 salt, address implementation);
@@ -48,7 +43,7 @@ contract VerifiableFactory {
 
     // Function to upgrade the proxy's implementation (only owner of proxy can call this)
     function upgradeImplementation(address proxyAddress, address newImplementation, bytes memory data) external {
-        address owner = IProxy(proxyAddress).owner();
+        address owner = ITransparentVerifiableProxy(proxyAddress).owner();
         require(owner == msg.sender, "Only the owner can upgrade");
 
         // Upgrade the proxy to point to the new implementation
@@ -69,8 +64,8 @@ contract VerifiableFactory {
         if (!isContract(proxy)) {
             return false;
         }
-        try IProxy(proxy).salt() returns (uint256 salt) {
-            try IProxy(proxy).owner() returns (address owner) {
+        try ITransparentVerifiableProxy(proxy).salt() returns (uint256 salt) {
+            try ITransparentVerifiableProxy(proxy).owner() returns (address owner) {
                 return _verifyContract(proxy, owner, salt);
             } catch {}
         } catch {}