diff --git a/contracts/ScopeGuard.sol b/contracts/ScopeGuard.sol
index 35aa436..0da62cb 100644
--- a/contracts/ScopeGuard.sol
+++ b/contracts/ScopeGuard.sol
@@ -1,25 +1,12 @@
 // SPDX-License-Identifier: LGPL-3.0-only
 pragma solidity ^0.8.6;
 
-import "@gnosis.pm/safe-contracts/contracts/base/GuardManager.sol";
+import "@gnosis.pm/zodiac/contracts/guard/BaseGuard.sol";
+import "@gnosis.pm/zodiac/contracts/factory/FactoryFriendly.sol";
 import "@gnosis.pm/safe-contracts/contracts/GnosisSafe.sol";
 import "@gnosis.pm/safe-contracts/contracts/interfaces/IERC165.sol";
-import "@gnosis.pm/zodiac/contracts/factory/FactoryFriendly.sol";
 import "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
 
-abstract contract BaseGuard is Guard {
-    function supportsInterface(bytes4 interfaceId)
-        external
-        view
-        virtual
-        returns (bool)
-    {
-        return
-            interfaceId == type(Guard).interfaceId || // 0xe6d7a83a
-            interfaceId == type(IERC165).interfaceId; // 0x01ffc9a7
-    }
-}
-
 contract ScopeGuard is FactoryFriendly, OwnableUpgradeable, BaseGuard {
     event TargetAllowed(address target);
     event TargetDisallowed(address target);
@@ -40,12 +27,12 @@ contract ScopeGuard is FactoryFriendly, OwnableUpgradeable, BaseGuard {
     function setUp(bytes memory initializeParams) public override {
         require(!initialized, "Guard is already initialized");
         initialized = true;
-        (address _owner) = abi.decode(initializeParams, (address));
+        address _owner = abi.decode(initializeParams, (address));
         require(_owner != address(0), "Owner can not be zero address");
-        
+
         __Ownable_init();
         transferOwnership(_owner);
-        
+
         emit ScopeGuardSetup(msg.sender, _owner);
     }
 
diff --git a/contracts/test/TestFactory.sol b/contracts/test/TestFactory.sol
index f60bdb4..796b5b5 100644
--- a/contracts/test/TestFactory.sol
+++ b/contracts/test/TestFactory.sol
@@ -1,4 +1,4 @@
 // SPDX-License-Identifier: LGPL-3.0-only
 pragma solidity >=0.8.0;
 
-import "@gnosis.pm/zodiac/contracts/factory/ModuleProxyFactory.sol";
\ No newline at end of file
+import "@gnosis.pm/zodiac/contracts/factory/ModuleProxyFactory.sol";
diff --git a/package.json b/package.json
index dfab4f3..b7d7bda 100644
--- a/package.json
+++ b/package.json
@@ -20,7 +20,7 @@
     "test": "test"
   },
   "devDependencies": {
-    "@gnosis.pm/zodiac": "0.0.1-prealpha1",
+    "@gnosis.pm/zodiac": "^0.0.1-prealpha1",
     "@nomiclabs/hardhat-ethers": "2.0.2",
     "@nomiclabs/hardhat-etherscan": "2.1.4",
     "@nomiclabs/hardhat-waffle": "2.0.1",
diff --git a/yarn.lock b/yarn.lock
index 28e01d0..df5b86e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -563,7 +563,7 @@
   resolved "https://registry.yarnpkg.com/@gnosis.pm/safe-contracts/-/safe-contracts-1.3.0.tgz#316741a7690d8751a1f701538cfc9ec80866eedc"
   integrity sha512-1p+1HwGvxGUVzVkFjNzglwHrLNA67U/axP0Ct85FzzH8yhGJb4t9jDjPYocVMzLorDoWAfKicGy1akPY9jXRVw==
 
-"@gnosis.pm/zodiac@0.0.1-prealpha1":
+"@gnosis.pm/zodiac@^0.0.1-prealpha1":
   version "0.0.1-prealpha1"
   resolved "https://registry.yarnpkg.com/@gnosis.pm/zodiac/-/zodiac-0.0.1-prealpha1.tgz#02adcbd4d7c11aeffd01304bf7668e5e37fe18f4"
   integrity sha512-SGi6TBCPribYH8++ooXDIPKbA/f/XY7yC3zPRXu3jNnjTGXGEj9Zv8RJUppc6GQgLL1a13Z6aALcRyMNGFbagQ==