diff --git a/contracts/openzeppelin/token/ERC20/IERC20.sol b/contracts/openzeppelin/token/ERC20/IERC20.sol index c6fbf6c2..b816bfed 100644 --- a/contracts/openzeppelin/token/ERC20/IERC20.sol +++ b/contracts/openzeppelin/token/ERC20/IERC20.sol @@ -1,7 +1,7 @@ // SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol) -pragma solidity0.8.20; +pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 standard as defined in the EIP. diff --git a/contracts/openzeppelin/token/ERC20/extensions/IERC20Permit.sol b/contracts/openzeppelin/token/ERC20/extensions/IERC20Permit.sol index 8bf0ada6..bb43e53b 100644 --- a/contracts/openzeppelin/token/ERC20/extensions/IERC20Permit.sol +++ b/contracts/openzeppelin/token/ERC20/extensions/IERC20Permit.sol @@ -1,7 +1,7 @@ // SPDX-License-Identifier: MIT // OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Permit.sol) -pragma solidity0.8.20; +pragma solidity ^0.8.0; /** * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in diff --git a/contracts/openzeppelin/token/ERC20/utils/SafeERC20.sol b/contracts/openzeppelin/token/ERC20/utils/SafeERC20.sol index ac8a8850..4a07fff2 100644 --- a/contracts/openzeppelin/token/ERC20/utils/SafeERC20.sol +++ b/contracts/openzeppelin/token/ERC20/utils/SafeERC20.sol @@ -1,7 +1,7 @@ // SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol) -pragma solidity0.8.20; +pragma solidity ^0.8.0; import "../IERC20.sol"; import "../extensions/IERC20Permit.sol"; diff --git a/contracts/openzeppelin/utils/Address.sol b/contracts/openzeppelin/utils/Address.sol index 78811fb7..7a7d2d5d 100644 --- a/contracts/openzeppelin/utils/Address.sol +++ b/contracts/openzeppelin/utils/Address.sol @@ -1,7 +1,7 @@ // SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol) -pragma solidity0.8.20; +pragma solidity ^0.8.1; /** * @dev Collection of functions related to the address type