diff --git a/contracts/interface/IClaimIssuer.sol b/contracts/interface/IClaimIssuer.sol
index 31617d1..c056cc1 100644
--- a/contracts/interface/IClaimIssuer.sol
+++ b/contracts/interface/IClaimIssuer.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0
-pragma solidity 0.8.17;
+pragma solidity ^0.8.17;
 
 import "./IIdentity.sol";
 
diff --git a/contracts/interface/IERC734.sol b/contracts/interface/IERC734.sol
index e3c84d2..2487d39 100644
--- a/contracts/interface/IERC734.sol
+++ b/contracts/interface/IERC734.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0
-pragma solidity 0.8.17;
+pragma solidity ^0.8.17;
 
 /**
  * @dev interface of the ERC734 (Key Holder) standard as defined in the EIP.
diff --git a/contracts/interface/IERC735.sol b/contracts/interface/IERC735.sol
index ddf4186..0944e19 100644
--- a/contracts/interface/IERC735.sol
+++ b/contracts/interface/IERC735.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0
-pragma solidity 0.8.17;
+pragma solidity ^0.8.17;
 
 /**
  * @dev interface of the ERC735 (Claim Holder) standard as defined in the EIP.
diff --git a/contracts/interface/IIdentity.sol b/contracts/interface/IIdentity.sol
index 780a0fe..241833f 100644
--- a/contracts/interface/IIdentity.sol
+++ b/contracts/interface/IIdentity.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-3.0
-pragma solidity 0.8.17;
+pragma solidity ^0.8.17;
 
 import "./IERC734.sol";
 import "./IERC735.sol";
diff --git a/contracts/interface/IImplementationAuthority.sol b/contracts/interface/IImplementationAuthority.sol
index 30704ae..11cee8f 100644
--- a/contracts/interface/IImplementationAuthority.sol
+++ b/contracts/interface/IImplementationAuthority.sol
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-3.0
 
-pragma solidity 0.8.17;
+pragma solidity ^0.8.17;
 
 interface IImplementationAuthority {