diff --git a/src/interfaces/IERC20.sol b/src/interfaces/IERC20.sol
index 2cd1ec66c..e297045cc 100644
--- a/src/interfaces/IERC20.sol
+++ b/src/interfaces/IERC20.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity >=0.5.0;
+pragma solidity >=0.6.2;
 
 /// @title IERC20
 /// @author Morpho Labs
diff --git a/src/interfaces/IIrm.sol b/src/interfaces/IIrm.sol
index 572cee158..c63271991 100644
--- a/src/interfaces/IIrm.sol
+++ b/src/interfaces/IIrm.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity >=0.5.0;
+pragma solidity >=0.6.2;
 
 import {MarketParams, Market} from "./IMorpho.sol";
 
diff --git a/src/interfaces/IMorpho.sol b/src/interfaces/IMorpho.sol
index 98237a371..e2bc3a3e1 100644
--- a/src/interfaces/IMorpho.sol
+++ b/src/interfaces/IMorpho.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity >=0.5.0;
+pragma solidity >=0.8.8;
 
 type Id is bytes32;
 
diff --git a/src/interfaces/IMorphoCallbacks.sol b/src/interfaces/IMorphoCallbacks.sol
index 5599f4e9c..c568c9830 100644
--- a/src/interfaces/IMorphoCallbacks.sol
+++ b/src/interfaces/IMorphoCallbacks.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity >=0.5.0;
+pragma solidity >=0.6.2;
 
 /// @title IMorphoLiquidateCallback
 /// @notice Interface that liquidators willing to use `liquidate`'s callback must implement.
diff --git a/src/interfaces/IOracle.sol b/src/interfaces/IOracle.sol
index c12f0ac62..0b40d3ed1 100644
--- a/src/interfaces/IOracle.sol
+++ b/src/interfaces/IOracle.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity >=0.5.0;
+pragma solidity >=0.6.2;
 
 /// @title IOracle
 /// @author Morpho Labs
diff --git a/src/libraries/SafeTransferLib.sol b/src/libraries/SafeTransferLib.sol
index 4efeb7fa9..6c4d94410 100644
--- a/src/libraries/SafeTransferLib.sol
+++ b/src/libraries/SafeTransferLib.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.0;
+pragma solidity ^0.8.12;
 
 import {ErrorsLib} from "../libraries/ErrorsLib.sol";