diff --git a/LUSDChickenBonds/src/BLUSDToken.sol b/LUSDChickenBonds/src/BLUSDToken.sol
index a447f1d6..21ff7e1e 100644
--- a/LUSDChickenBonds/src/BLUSDToken.sol
+++ b/LUSDChickenBonds/src/BLUSDToken.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.10;
+pragma solidity 0.8.15;
 
 import "openzeppelin-contracts/contracts/access/Ownable.sol";
 import "openzeppelin-contracts/contracts/token/ERC20/ERC20.sol";
diff --git a/LUSDChickenBonds/src/BondNFT.sol b/LUSDChickenBonds/src/BondNFT.sol
index b72950aa..6b5a271b 100644
--- a/LUSDChickenBonds/src/BondNFT.sol
+++ b/LUSDChickenBonds/src/BondNFT.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.10;
+pragma solidity 0.8.15;
 
 import "openzeppelin-contracts/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
 import "openzeppelin-contracts/contracts/access/Ownable.sol";
diff --git a/LUSDChickenBonds/src/ChickenBondManager.sol b/LUSDChickenBonds/src/ChickenBondManager.sol
index ab882571..b7695f2a 100644
--- a/LUSDChickenBonds/src/ChickenBondManager.sol
+++ b/LUSDChickenBonds/src/ChickenBondManager.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.10;
+pragma solidity 0.8.15;
 
 import "openzeppelin-contracts/contracts/utils/math/Math.sol";
 import "openzeppelin-contracts/contracts/token/ERC20/IERC20.sol";
diff --git a/LUSDChickenBonds/src/Proxy/ChickenBondOperationsScript.sol b/LUSDChickenBonds/src/Proxy/ChickenBondOperationsScript.sol
index 6e2cfb93..a2b2a4d4 100644
--- a/LUSDChickenBonds/src/Proxy/ChickenBondOperationsScript.sol
+++ b/LUSDChickenBonds/src/Proxy/ChickenBondOperationsScript.sol
@@ -1,4 +1,4 @@
-pragma solidity ^0.8.10;
+pragma solidity 0.8.15;
 
 import "../Interfaces/IChickenBondManager.sol";
 import "../Interfaces/ICurvePool.sol";
diff --git a/LUSDChickenBonds/src/utils/BaseMath.sol b/LUSDChickenBonds/src/utils/BaseMath.sol
index b68a85e4..8dbe7ddc 100644
--- a/LUSDChickenBonds/src/utils/BaseMath.sol
+++ b/LUSDChickenBonds/src/utils/BaseMath.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.10;
+pragma solidity 0.8.15;
 
 
 contract BaseMath {
diff --git a/LUSDChickenBonds/src/utils/ChickenMath.sol b/LUSDChickenBonds/src/utils/ChickenMath.sol
index 0837d145..dbdf9abf 100644
--- a/LUSDChickenBonds/src/utils/ChickenMath.sol
+++ b/LUSDChickenBonds/src/utils/ChickenMath.sol
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MIT
 
-pragma solidity ^0.8.10;
+pragma solidity 0.8.15;
 
 import "./BaseMath.sol";