Release v4.6 (#3358)

* 4.6.0-rc.0 * Fix release script to only release @OpenZeppelin/contracts (cherry picked from commit 2bd75a4) * make ERC2981:royaltyInfo public (#3305) (cherry picked from commit d2832ca) Signed-off-by: Hadrien Croubois <[email protected]> * add transpilation guards to the crosschain mocks (#3306) (cherry picked from commit 9af5af8) Signed-off-by: Hadrien Croubois <[email protected]> * Fix tests on upgradeable contracts after transpilation (cherry picked from commit 0762479) Signed-off-by: Hadrien Croubois <[email protected]> * Remove unused constructor argument (cherry picked from commit 69c3781) Signed-off-by: Hadrien Croubois <[email protected]> * Bump minimum Solidity version for Initializable.sol to 0.8.2 (#3328) (cherry picked from commit cb14ea3) * Fix update-comment script to ignore invalid tags (cherry picked from commit 848fef5) Signed-off-by: Hadrien Croubois <[email protected]> * 4.6.0 Co-authored-by: Francisco Giordano <[email protected]>
OpenZeppelin · Apr 27, 2022 · a035b23 · a035b23
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -5,7 +5,7 @@
  * `Clones`: optimize clone creation ([#3329](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3329))
  * `TimelockController`: Migrate `_call` to `_execute` and allow inheritance and overriding similar to `Governor`. ([#3317](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3317))
 
-## Unreleased
+## 4.6.0 (2022-04-26)
 
  * `crosschain`: Add a new set of contracts for cross-chain applications. `CrossChainEnabled` is a base contract with instantiations for several chains and bridges, and `AccessControlCrossChain` is an extension of access control that allows cross-chain operation. ([#3183](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3183))
  * `AccessControl`: add a virtual `_checkRole(bytes32)` function that can be overridden to alter the `onlyRole` modifier behavior. ([#3137](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3137))
@@ -26,6 +26,7 @@
  * `TimelockController`: Add a separate canceller role for the ability to cancel. ([#3165](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3165))
  * `Initializable`: add a reinitializer modifier that enables the initialization of new modules, added to already initialized contracts through upgradeability. ([#3232](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3232))
  * `Initializable`: add an Initialized event that tracks initialized version numbers. ([#3294](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3294))
+ * `ERC2981`: make `royaltiInfo` public to allow super call in overrides. ([#3305](https://github.com/OpenZeppelin/openzeppelin-contracts/pull/3305))
 
 ### Breaking changes
 

diff --git a/contracts/access/AccessControl.sol b/contracts/access/AccessControl.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (access/AccessControl.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (access/AccessControl.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/access/AccessControlCrossChain.sol b/contracts/access/AccessControlCrossChain.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.6.0) (access/AccessControlCrossChain.sol)
 
 pragma solidity ^0.8.4;
 

diff --git a/contracts/crosschain/CrossChainEnabled.sol b/contracts/crosschain/CrossChainEnabled.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/CrossChainEnabled.sol)
 
 pragma solidity ^0.8.4;
 

diff --git a/contracts/crosschain/amb/CrossChainEnabledAMB.sol b/contracts/crosschain/amb/CrossChainEnabledAMB.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/amb/CrossChainEnabledAMB.sol)
 
 pragma solidity ^0.8.4;
 

diff --git a/contracts/crosschain/amb/LibAMB.sol b/contracts/crosschain/amb/LibAMB.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/amb/LibAMB.sol)
 
 pragma solidity ^0.8.4;
 

diff --git a/contracts/crosschain/arbitrum/CrossChainEnabledArbitrumL1.sol b/contracts/crosschain/arbitrum/CrossChainEnabledArbitrumL1.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/arbitrum/CrossChainEnabledArbitrumL1.sol)
 
 pragma solidity ^0.8.4;
 

diff --git a/contracts/crosschain/arbitrum/CrossChainEnabledArbitrumL2.sol b/contracts/crosschain/arbitrum/CrossChainEnabledArbitrumL2.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/arbitrum/CrossChainEnabledArbitrumL2.sol)
 
 pragma solidity ^0.8.4;
 

diff --git a/contracts/crosschain/arbitrum/LibArbitrumL1.sol b/contracts/crosschain/arbitrum/LibArbitrumL1.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/arbitrum/LibArbitrumL1.sol)
 
 pragma solidity ^0.8.4;
 

diff --git a/contracts/crosschain/arbitrum/LibArbitrumL2.sol b/contracts/crosschain/arbitrum/LibArbitrumL2.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/arbitrum/LibArbitrumL2.sol)
 
 pragma solidity ^0.8.4;
 

diff --git a/contracts/crosschain/errors.sol b/contracts/crosschain/errors.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/errors.sol)
 
 pragma solidity ^0.8.4;
 

diff --git a/contracts/crosschain/optimism/CrossChainEnabledOptimism.sol b/contracts/crosschain/optimism/CrossChainEnabledOptimism.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/optimism/CrossChainEnabledOptimism.sol)
 
 pragma solidity ^0.8.4;
 

diff --git a/contracts/crosschain/optimism/LibOptimism.sol b/contracts/crosschain/optimism/LibOptimism.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/optimism/LibOptimism.sol)
 
 pragma solidity ^0.8.4;
 

diff --git a/contracts/crosschain/polygon/CrossChainEnabledPolygonChild.sol b/contracts/crosschain/polygon/CrossChainEnabledPolygonChild.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.6.0) (crosschain/polygon/CrossChainEnabledPolygonChild.sol)
 
 pragma solidity ^0.8.4;
 

diff --git a/contracts/finance/VestingWallet.sol b/contracts/finance/VestingWallet.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (finance/VestingWallet.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (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 v4.5.0) (governance/Governor.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (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 v4.5.0) (governance/IGovernor.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (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 v4.4.1 (governance/TimelockController.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (governance/TimelockController.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/governance/compatibility/GovernorCompatibilityBravo.sol b/contracts/governance/compatibility/GovernorCompatibilityBravo.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (governance/compatibility/GovernorCompatibilityBravo.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (governance/compatibility/GovernorCompatibilityBravo.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/governance/extensions/GovernorCountingSimple.sol b/contracts/governance/extensions/GovernorCountingSimple.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (governance/extensions/GovernorCountingSimple.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (governance/extensions/GovernorCountingSimple.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/governance/extensions/GovernorPreventLateQuorum.sol b/contracts/governance/extensions/GovernorPreventLateQuorum.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (governance/extensions/GovernorPreventLateQuorum.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (governance/extensions/GovernorPreventLateQuorum.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/governance/extensions/GovernorTimelockCompound.sol b/contracts/governance/extensions/GovernorTimelockCompound.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (governance/extensions/GovernorTimelockCompound.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (governance/extensions/GovernorTimelockCompound.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/governance/extensions/GovernorTimelockControl.sol b/contracts/governance/extensions/GovernorTimelockControl.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (governance/extensions/GovernorTimelockControl.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (governance/extensions/GovernorTimelockControl.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/governance/extensions/GovernorVotes.sol b/contracts/governance/extensions/GovernorVotes.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (governance/extensions/GovernorVotes.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (governance/extensions/GovernorVotes.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/governance/extensions/GovernorVotesComp.sol b/contracts/governance/extensions/GovernorVotesComp.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (governance/extensions/GovernorVotesComp.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (governance/extensions/GovernorVotesComp.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/governance/utils/Votes.sol b/contracts/governance/utils/Votes.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (governance/utils/Votes.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (governance/utils/Votes.sol)
 pragma solidity ^0.8.0;
 
 import "../../utils/Context.sol";

diff --git a/contracts/interfaces/IERC2981.sol b/contracts/interfaces/IERC2981.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/IERC2981.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (interfaces/IERC2981.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/package.json b/contracts/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@openzeppelin/contracts",
   "description": "Secure Smart Contract library for Solidity",
-  "version": "4.5.0",
+  "version": "4.6.0",
   "files": [
     "**/*.sol",
     "/build/contracts/*.json",

diff --git a/contracts/proxy/Proxy.sol b/contracts/proxy/Proxy.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (proxy/Proxy.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.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 v4.5.0) (proxy/utils/Initializable.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (proxy/utils/Initializable.sol)
 
 pragma solidity ^0.8.2;
 

diff --git a/contracts/token/ERC1155/ERC1155.sol b/contracts/token/ERC1155/ERC1155.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (token/ERC1155/ERC1155.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC1155/ERC1155.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/token/ERC1155/extensions/ERC1155Supply.sol b/contracts/token/ERC1155/extensions/ERC1155Supply.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/ERC1155Supply.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC1155/extensions/ERC1155Supply.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/token/ERC1155/extensions/ERC1155URIStorage.sol b/contracts/token/ERC1155/extensions/ERC1155URIStorage.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC1155/extensions/ERC1155URIStorage.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 v4.5.0) (token/ERC20/ERC20.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/ERC20.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/token/ERC20/IERC20.sol b/contracts/token/ERC20/IERC20.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/IERC20.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.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 v4.5.0) (token/ERC20/extensions/ERC20FlashMint.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (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 v4.4.1 (token/ERC20/extensions/ERC20Snapshot.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/extensions/ERC20Snapshot.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/token/ERC20/extensions/ERC20Wrapper.sol b/contracts/token/ERC20/extensions/ERC20Wrapper.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/ERC20Wrapper.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/extensions/ERC20Wrapper.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/token/ERC20/extensions/draft-ERC20Permit.sol b/contracts/token/ERC20/extensions/draft-ERC20Permit.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-ERC20Permit.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/extensions/draft-ERC20Permit.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 v4.5.0) (token/ERC721/ERC721.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (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 v4.4.1 (token/ERC721/IERC721.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/token/ERC721/IERC721Receiver.sol b/contracts/token/ERC721/IERC721Receiver.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/token/ERC721/extensions/draft-ERC721Votes.sol b/contracts/token/ERC721/extensions/draft-ERC721Votes.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/draft-ERC721Votes.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/extensions/draft-ERC721Votes.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 v4.5.0) (token/ERC777/ERC777.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC777/ERC777.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/token/ERC777/IERC777.sol b/contracts/token/ERC777/IERC777.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (token/ERC777/IERC777.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC777/IERC777.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 v4.5.0) (token/common/ERC2981.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (token/common/ERC2981.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 v4.5.0) (utils/cryptography/MerkleProof.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (utils/cryptography/MerkleProof.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/utils/introspection/IERC1820Registry.sol b/contracts/utils/introspection/IERC1820Registry.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC1820Registry.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (utils/introspection/IERC1820Registry.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/utils/math/SafeMath.sol b/contracts/utils/math/SafeMath.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (utils/math/SafeMath.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (utils/math/SafeMath.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/utils/structs/DoubleEndedQueue.sol b/contracts/utils/structs/DoubleEndedQueue.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.6.0) (utils/structs/DoubleEndedQueue.sol)
 pragma solidity ^0.8.4;
 
 import "../math/SafeCast.sol";

diff --git a/contracts/utils/structs/EnumerableMap.sol b/contracts/utils/structs/EnumerableMap.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-// OpenZeppelin Contracts v4.4.1 (utils/structs/EnumerableMap.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (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 v4.4.1 (utils/structs/EnumerableSet.sol)
+// OpenZeppelin Contracts (last updated v4.6.0) (utils/structs/EnumerableSet.sol)
 
 pragma solidity ^0.8.0;
 

diff --git a/contracts/vendor/amb/IAMB.sol b/contracts/vendor/amb/IAMB.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.6.0) (vendor/amb/IAMB.sol)
 pragma solidity ^0.8.0;
 
 interface IAMB {

diff --git a/contracts/vendor/arbitrum/IArbSys.sol b/contracts/vendor/arbitrum/IArbSys.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: MIT
+// OpenZeppelin Contracts (last updated v4.6.0) (vendor/arbitrum/IArbSys.sol)
 pragma solidity >=0.4.21 <0.9.0;
 
 /**

diff --git a/contracts/vendor/arbitrum/IBridge.sol b/contracts/vendor/arbitrum/IBridge.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: Apache-2.0
+// OpenZeppelin Contracts (last updated v4.6.0) (vendor/arbitrum/IBridge.sol)
 
 /*
  * Copyright 2021, Offchain Labs, Inc.

diff --git a/contracts/vendor/arbitrum/IInbox.sol b/contracts/vendor/arbitrum/IInbox.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: Apache-2.0
+// OpenZeppelin Contracts (last updated v4.6.0) (vendor/arbitrum/IInbox.sol)
 
 /*
  * Copyright 2021, Offchain Labs, Inc.

diff --git a/contracts/vendor/arbitrum/IMessageProvider.sol b/contracts/vendor/arbitrum/IMessageProvider.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: Apache-2.0
+// OpenZeppelin Contracts (last updated v4.6.0) (vendor/arbitrum/IMessageProvider.sol)
 
 /*
  * Copyright 2021, Offchain Labs, Inc.

diff --git a/contracts/vendor/arbitrum/IOutbox.sol b/contracts/vendor/arbitrum/IOutbox.sol
@@ -1,4 +1,5 @@
 // SPDX-License-Identifier: Apache-2.0
+// OpenZeppelin Contracts (last updated v4.6.0) (vendor/arbitrum/IOutbox.sol)
 
 /*
  * Copyright 2021, Offchain Labs, Inc.