Merge branch 'release-v4.7' of https://github.com/OpenZeppelin/openzeppelin-contracts into patched/release-v4.7

frangio · frangio · commit c319c8066eb9 · 2022-06-10T19:16:52.000-03:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## 4.7.0
 
  * `TimelockController`: Migrate `_call` to `_execute` and allow inheritance and overriding similar to `Governor`. ([#3317](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3317))
  * `CrossChainEnabledPolygonChild`: replace the `require` statement with the custom error `NotCrossChainCall`. ([#3380](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3380))
diff --git a/contracts/access/AccessControl.sol b/contracts/access/AccessControl.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (access/AccessControl.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (access/AccessControl.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/access/Ownable.sol b/contracts/access/Ownable.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (access/Ownable.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/crosschain/amb/CrossChainEnabledAMB.sol b/contracts/crosschain/amb/CrossChainEnabledAMB.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/amb/CrossChainEnabledAMB.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (crosschain/amb/CrossChainEnabledAMB.sol)
 
 pragma solidity ^0.8.4;
 
diff --git a/contracts/crosschain/amb/LibAMB.sol b/contracts/crosschain/amb/LibAMB.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/amb/LibAMB.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (crosschain/amb/LibAMB.sol)
 
 pragma solidity ^0.8.4;
 
diff --git a/contracts/crosschain/arbitrum/CrossChainEnabledArbitrumL1.sol b/contracts/crosschain/arbitrum/CrossChainEnabledArbitrumL1.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/arbitrum/CrossChainEnabledArbitrumL1.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (crosschain/arbitrum/CrossChainEnabledArbitrumL1.sol)
 
 pragma solidity ^0.8.4;
 
diff --git a/contracts/crosschain/arbitrum/CrossChainEnabledArbitrumL2.sol b/contracts/crosschain/arbitrum/CrossChainEnabledArbitrumL2.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/arbitrum/CrossChainEnabledArbitrumL2.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (crosschain/arbitrum/CrossChainEnabledArbitrumL2.sol)
 
 pragma solidity ^0.8.4;
 
diff --git a/contracts/crosschain/arbitrum/LibArbitrumL1.sol b/contracts/crosschain/arbitrum/LibArbitrumL1.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/arbitrum/LibArbitrumL1.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (crosschain/arbitrum/LibArbitrumL1.sol)
 
 pragma solidity ^0.8.4;
 
diff --git a/contracts/crosschain/arbitrum/LibArbitrumL2.sol b/contracts/crosschain/arbitrum/LibArbitrumL2.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/arbitrum/LibArbitrumL2.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (crosschain/arbitrum/LibArbitrumL2.sol)
 
 pragma solidity ^0.8.4;
 
diff --git a/contracts/crosschain/optimism/CrossChainEnabledOptimism.sol b/contracts/crosschain/optimism/CrossChainEnabledOptimism.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/optimism/CrossChainEnabledOptimism.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (crosschain/optimism/CrossChainEnabledOptimism.sol)
 
 pragma solidity ^0.8.4;
 
diff --git a/contracts/crosschain/optimism/LibOptimism.sol b/contracts/crosschain/optimism/LibOptimism.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/optimism/LibOptimism.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (crosschain/optimism/LibOptimism.sol)
 
 pragma solidity ^0.8.4;
 
diff --git a/contracts/crosschain/polygon/CrossChainEnabledPolygonChild.sol b/contracts/crosschain/polygon/CrossChainEnabledPolygonChild.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/polygon/CrossChainEnabledPolygonChild.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (crosschain/polygon/CrossChainEnabledPolygonChild.sol)
 
 pragma solidity ^0.8.4;
 
diff --git a/contracts/finance/PaymentSplitter.sol b/contracts/finance/PaymentSplitter.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (finance/PaymentSplitter.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (finance/PaymentSplitter.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/finance/VestingWallet.sol b/contracts/finance/VestingWallet.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (finance/VestingWallet.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (finance/VestingWallet.sol)
 pragma solidity ^0.8.0;
 
 import "../token/ERC20/utils/SafeERC20.sol";
diff --git a/contracts/governance/Governor.sol b/contracts/governance/Governor.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (governance/Governor.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (governance/Governor.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/governance/IGovernor.sol b/contracts/governance/IGovernor.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (governance/IGovernor.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (governance/IGovernor.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/governance/TimelockController.sol b/contracts/governance/TimelockController.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (governance/TimelockController.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (governance/TimelockController.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/interfaces/IERC3156FlashBorrower.sol b/contracts/interfaces/IERC3156FlashBorrower.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (interfaces/IERC3156FlashBorrower.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (interfaces/IERC3156FlashBorrower.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/interfaces/IERC4626.sol b/contracts/interfaces/IERC4626.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (interfaces/IERC4626.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/metatx/ERC2771Context.sol b/contracts/metatx/ERC2771Context.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (metatx/ERC2771Context.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (metatx/ERC2771Context.sol)
 
 pragma solidity ^0.8.9;
 
diff --git a/contracts/metatx/MinimalForwarder.sol b/contracts/metatx/MinimalForwarder.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (metatx/MinimalForwarder.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (metatx/MinimalForwarder.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/package.json b/contracts/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@openzeppelin/contracts-upgradeable",
   "description": "Secure Smart Contract library for Solidity",
-  "version": "4.6.0",
+  "version": "4.7.0-rc.0",
   "files": [
     "**/*.sol",
     "/build/contracts/*.json",
diff --git a/contracts/proxy/Clones.sol b/contracts/proxy/Clones.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (proxy/Clones.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (proxy/Clones.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/proxy/ERC1967/ERC1967Proxy.sol b/contracts/proxy/ERC1967/ERC1967Proxy.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (proxy/ERC1967/ERC1967Proxy.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (proxy/ERC1967/ERC1967Proxy.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/proxy/beacon/BeaconProxy.sol b/contracts/proxy/beacon/BeaconProxy.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (proxy/beacon/BeaconProxy.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (proxy/beacon/BeaconProxy.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/proxy/transparent/TransparentUpgradeableProxy.sol b/contracts/proxy/transparent/TransparentUpgradeableProxy.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (proxy/transparent/TransparentUpgradeableProxy.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (proxy/transparent/TransparentUpgradeableProxy.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/proxy/utils/Initializable.sol b/contracts/proxy/utils/Initializable.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (proxy/utils/Initializable.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (proxy/utils/Initializable.sol)
 
 pragma solidity ^0.8.2;
 
diff --git a/contracts/security/Pausable.sol b/contracts/security/Pausable.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (security/Pausable.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (security/Pausable.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/security/PullPayment.sol b/contracts/security/PullPayment.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (security/PullPayment.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (security/PullPayment.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/token/ERC1155/ERC1155.sol b/contracts/token/ERC1155/ERC1155.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC1155/ERC1155.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (token/ERC1155/ERC1155.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/token/ERC1155/IERC1155.sol b/contracts/token/ERC1155/IERC1155.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (token/ERC1155/IERC1155.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/token/ERC1155/extensions/ERC1155Burnable.sol b/contracts/token/ERC1155/extensions/ERC1155Burnable.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/ERC1155Burnable.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (token/ERC1155/extensions/ERC1155Burnable.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/token/ERC20/ERC20.sol b/contracts/token/ERC20/ERC20.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/ERC20.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (token/ERC20/ERC20.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/token/ERC20/extensions/ERC20FlashMint.sol b/contracts/token/ERC20/extensions/ERC20FlashMint.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/extensions/ERC20FlashMint.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (token/ERC20/extensions/ERC20FlashMint.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/token/ERC20/extensions/ERC20Snapshot.sol b/contracts/token/ERC20/extensions/ERC20Snapshot.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/extensions/ERC20Snapshot.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (token/ERC20/extensions/ERC20Snapshot.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/token/ERC20/extensions/ERC20TokenizedVault.sol b/contracts/token/ERC20/extensions/ERC20TokenizedVault.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (token/ERC20/extensions/ERC20TokenizedVault.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/token/ERC20/utils/SafeERC20.sol b/contracts/token/ERC20/utils/SafeERC20.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (token/ERC20/utils/SafeERC20.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/token/ERC721/ERC721.sol b/contracts/token/ERC721/ERC721.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/ERC721.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (token/ERC721/ERC721.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/token/ERC721/IERC721.sol b/contracts/token/ERC721/IERC721.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (token/ERC721/IERC721.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/token/ERC721/extensions/ERC721Burnable.sol b/contracts/token/ERC721/extensions/ERC721Burnable.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721Burnable.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (token/ERC721/extensions/ERC721Burnable.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/token/ERC721/extensions/ERC721URIStorage.sol b/contracts/token/ERC721/extensions/ERC721URIStorage.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/ERC721URIStorage.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (token/ERC721/extensions/ERC721URIStorage.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/token/ERC777/ERC777.sol b/contracts/token/ERC777/ERC777.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC777/ERC777.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (token/ERC777/ERC777.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/token/common/ERC2981.sol b/contracts/token/common/ERC2981.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (token/common/ERC2981.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (token/common/ERC2981.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/utils/Address.sol b/contracts/utils/Address.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (utils/Address.sol)
 
 pragma solidity ^0.8.1;
 
diff --git a/contracts/utils/Base64.sol b/contracts/utils/Base64.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (utils/Base64.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (utils/Base64.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/utils/Create2.sol b/contracts/utils/Create2.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (utils/Create2.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (utils/Create2.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/utils/StorageSlot.sol b/contracts/utils/StorageSlot.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (utils/StorageSlot.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (utils/StorageSlot.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/utils/Strings.sol b/contracts/utils/Strings.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (utils/Strings.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/utils/cryptography/ECDSA.sol b/contracts/utils/cryptography/ECDSA.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (utils/cryptography/ECDSA.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (utils/cryptography/ECDSA.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/utils/cryptography/MerkleProof.sol b/contracts/utils/cryptography/MerkleProof.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (utils/cryptography/MerkleProof.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (utils/cryptography/MerkleProof.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/utils/escrow/Escrow.sol b/contracts/utils/escrow/Escrow.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (utils/escrow/Escrow.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (utils/escrow/Escrow.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/utils/math/Math.sol b/contracts/utils/math/Math.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (utils/math/Math.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (utils/math/Math.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/utils/math/SafeCast.sol b/contracts/utils/math/SafeCast.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.4.1) (utils/math/SafeCast.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (utils/math/SafeCast.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/utils/structs/EnumerableMap.sol b/contracts/utils/structs/EnumerableMap.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (utils/structs/EnumerableMap.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (utils/structs/EnumerableMap.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/contracts/utils/structs/EnumerableSet.sol b/contracts/utils/structs/EnumerableSet.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.6.0) (utils/structs/EnumerableSet.sol)
+// OpenZeppelin Contracts (last updated v4.7.0-rc.0) (utils/structs/EnumerableSet.sol)
 
 pragma solidity ^0.8.0;
 
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
