OpenZeppelin · arr00 · Apr 25, 2025 · Apr 25, 2025 · Apr 25, 2025
diff --git a/contracts/governance/utils/IVotes.sol b/contracts/governance/utils/IVotes.sol
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (governance/utils/IVotes.sol)
-pragma solidity ^0.8.20;
+pragma solidity >=0.8.4;
 
 /**
  * @dev Common interface for {ERC20Votes}, {ERC721Votes}, and other {Votes}-enabled contracts.

diff --git a/contracts/interfaces/IERC1155.sol b/contracts/interfaces/IERC1155.sol
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC1155.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC1155} from "../token/ERC1155/IERC1155.sol";
diff --git a/contracts/interfaces/IERC1155MetadataURI.sol b/contracts/interfaces/IERC1155MetadataURI.sol
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC1155MetadataURI.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC1155MetadataURI} from "../token/ERC1155/extensions/IERC1155MetadataURI.sol";
diff --git a/contracts/interfaces/IERC1155Receiver.sol b/contracts/interfaces/IERC1155Receiver.sol
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC1155Receiver.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC1155Receiver} from "../token/ERC1155/IERC1155Receiver.sol";
diff --git a/contracts/interfaces/IERC1271.sol b/contracts/interfaces/IERC1271.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.3.0) (interfaces/IERC1271.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.9;
 
 /**
  * @dev Interface of the ERC-1271 standard signature validation method for

diff --git a/contracts/interfaces/IERC1363.sol b/contracts/interfaces/IERC1363.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1363.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC20} from "./IERC20.sol";
 import {IERC165} from "./IERC165.sol";

diff --git a/contracts/interfaces/IERC1363Receiver.sol b/contracts/interfaces/IERC1363Receiver.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1363Receiver.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @title IERC1363Receiver

diff --git a/contracts/interfaces/IERC1363Spender.sol b/contracts/interfaces/IERC1363Spender.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1363Spender.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @title IERC1363Spender

diff --git a/contracts/interfaces/IERC165.sol b/contracts/interfaces/IERC165.sol
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC165.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 import {IERC165} from "../utils/introspection/IERC165.sol";
diff --git a/contracts/interfaces/IERC1820Implementer.sol b/contracts/interfaces/IERC1820Implementer.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1820Implementer.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @dev Interface for an ERC-1820 implementer, as defined in the

diff --git a/contracts/interfaces/IERC1820Registry.sol b/contracts/interfaces/IERC1820Registry.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1820Registry.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @dev Interface of the global ERC-1820 Registry, as defined in the

diff --git a/contracts/interfaces/IERC1967.sol b/contracts/interfaces/IERC1967.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC1967.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC.

diff --git a/contracts/interfaces/IERC20.sol b/contracts/interfaces/IERC20.sol
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC20.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 import {IERC20} from "../token/ERC20/IERC20.sol";
diff --git a/contracts/interfaces/IERC20Metadata.sol b/contracts/interfaces/IERC20Metadata.sol
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC20Metadata.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC20Metadata} from "../token/ERC20/extensions/IERC20Metadata.sol";
diff --git a/contracts/interfaces/IERC2309.sol b/contracts/interfaces/IERC2309.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC2309.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @dev ERC-2309: ERC-721 Consecutive Transfer Extension.

diff --git a/contracts/interfaces/IERC2612.sol b/contracts/interfaces/IERC2612.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC2612.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC20Permit} from "../token/ERC20/extensions/IERC20Permit.sol";
 

diff --git a/contracts/interfaces/IERC2981.sol b/contracts/interfaces/IERC2981.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC2981.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC165} from "../utils/introspection/IERC165.sol";
 

diff --git a/contracts/interfaces/IERC3156.sol b/contracts/interfaces/IERC3156.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC3156.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.8.20;
 
 import {IERC3156FlashBorrower} from "./IERC3156FlashBorrower.sol";
 import {IERC3156FlashLender} from "./IERC3156FlashLender.sol";
diff --git a/contracts/interfaces/IERC3156FlashBorrower.sol b/contracts/interfaces/IERC3156FlashBorrower.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC3156FlashBorrower.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @dev Interface of the ERC-3156 FlashBorrower, as defined in

diff --git a/contracts/interfaces/IERC3156FlashLender.sol b/contracts/interfaces/IERC3156FlashLender.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC3156FlashLender.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 import {IERC3156FlashBorrower} from "./IERC3156FlashBorrower.sol";
 

diff --git a/contracts/interfaces/IERC4626.sol b/contracts/interfaces/IERC4626.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.3.0) (interfaces/IERC4626.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC20} from "../token/ERC20/IERC20.sol";
 import {IERC20Metadata} from "../token/ERC20/extensions/IERC20Metadata.sol";

diff --git a/contracts/interfaces/IERC4906.sol b/contracts/interfaces/IERC4906.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC4906.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC165} from "./IERC165.sol";
 import {IERC721} from "./IERC721.sol";

diff --git a/contracts/interfaces/IERC5267.sol b/contracts/interfaces/IERC5267.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5267.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 interface IERC5267 {
     /**

diff --git a/contracts/interfaces/IERC5313.sol b/contracts/interfaces/IERC5313.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5313.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @dev Interface for the Light Contract Ownership Standard.

diff --git a/contracts/interfaces/IERC5805.sol b/contracts/interfaces/IERC5805.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5805.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.8.4;
 
 import {IVotes} from "../governance/utils/IVotes.sol";
 import {IERC6372} from "./IERC6372.sol";

diff --git a/contracts/interfaces/IERC6372.sol b/contracts/interfaces/IERC6372.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC6372.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 interface IERC6372 {
     /**

diff --git a/contracts/interfaces/IERC721.sol b/contracts/interfaces/IERC721.sol
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC721.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC721} from "../token/ERC721/IERC721.sol";
diff --git a/contracts/interfaces/IERC721Enumerable.sol b/contracts/interfaces/IERC721Enumerable.sol
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC721Enumerable.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC721Enumerable} from "../token/ERC721/extensions/IERC721Enumerable.sol";
diff --git a/contracts/interfaces/IERC721Metadata.sol b/contracts/interfaces/IERC721Metadata.sol
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC721Metadata.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC721Metadata} from "../token/ERC721/extensions/IERC721Metadata.sol";
diff --git a/contracts/interfaces/IERC721Receiver.sol b/contracts/interfaces/IERC721Receiver.sol
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC721Receiver.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 import {IERC721Receiver} from "../token/ERC721/IERC721Receiver.sol";
diff --git a/contracts/interfaces/IERC777.sol b/contracts/interfaces/IERC777.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC777.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @dev Interface of the ERC-777 Token standard as defined in the ERC.

diff --git a/contracts/interfaces/IERC777Recipient.sol b/contracts/interfaces/IERC777Recipient.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC777Recipient.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @dev Interface of the ERC-777 Tokens Recipient standard as defined in the ERC.

diff --git a/contracts/interfaces/IERC777Sender.sol b/contracts/interfaces/IERC777Sender.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC777Sender.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @dev Interface of the ERC-777 Tokens Sender standard as defined in the ERC.

diff --git a/contracts/token/ERC1155/IERC1155.sol b/contracts/token/ERC1155/IERC1155.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.3.0) (token/ERC1155/IERC1155.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC165} from "../../utils/introspection/IERC165.sol";
 

diff --git a/contracts/token/ERC1155/IERC1155Receiver.sol b/contracts/token/ERC1155/IERC1155Receiver.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC1155/IERC1155Receiver.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC165} from "../../utils/introspection/IERC165.sol";
 

diff --git a/contracts/token/ERC1155/extensions/IERC1155MetadataURI.sol b/contracts/token/ERC1155/extensions/IERC1155MetadataURI.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC1155/extensions/IERC1155MetadataURI.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC1155} from "../IERC1155.sol";
 

diff --git a/contracts/token/ERC20/IERC20.sol b/contracts/token/ERC20/IERC20.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/IERC20.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @dev Interface of the ERC-20 standard as defined in the ERC.

diff --git a/contracts/token/ERC20/extensions/IERC20Metadata.sol b/contracts/token/ERC20/extensions/IERC20Metadata.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/extensions/IERC20Metadata.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC20} from "../IERC20.sol";
 

diff --git a/contracts/token/ERC20/extensions/IERC20Permit.sol b/contracts/token/ERC20/extensions/IERC20Permit.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/extensions/IERC20Permit.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @dev Interface of the ERC-20 Permit extension allowing approvals to be made via signatures, as defined in

diff --git a/contracts/token/ERC721/IERC721.sol b/contracts/token/ERC721/IERC721.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC721/IERC721.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC165} from "../../utils/introspection/IERC165.sol";
 

diff --git a/contracts/token/ERC721/IERC721Receiver.sol b/contracts/token/ERC721/IERC721Receiver.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (token/ERC721/IERC721Receiver.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @title ERC-721 token receiver interface

diff --git a/contracts/token/ERC721/extensions/IERC721Enumerable.sol b/contracts/token/ERC721/extensions/IERC721Enumerable.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/extensions/IERC721Enumerable.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC721} from "../IERC721.sol";
 

diff --git a/contracts/token/ERC721/extensions/IERC721Metadata.sol b/contracts/token/ERC721/extensions/IERC721Metadata.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/extensions/IERC721Metadata.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.6.2;
 
 import {IERC721} from "../IERC721.sol";
 

diff --git a/contracts/utils/introspection/IERC165.sol b/contracts/utils/introspection/IERC165.sol
@@ -1,7 +1,7 @@
 // SPDX-License-Identifier: MIT
 // OpenZeppelin Contracts (last updated v5.1.0) (utils/introspection/IERC165.sol)
 
-pragma solidity ^0.8.20;
+pragma solidity >=0.5.0;
 
 /**
  * @dev Interface of the ERC-165 standard, as defined in the