diff --git a/LICENSE b/LICENSE
new file mode 100644
index 00000000..de784493
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,20 @@
+Copyright (c) 2023 Morpho Labs
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/src/SpeedJumpIrm.sol b/src/SpeedJumpIrm.sol
index 0bea8c13..56c1ddae 100644
--- a/src/SpeedJumpIrm.sol
+++ b/src/SpeedJumpIrm.sol
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: UNLICENSED
+// SPDX-License-Identifier: MIT
 pragma solidity 0.8.19;
 
 import {IIrm} from "../lib/morpho-blue/src/interfaces/IIrm.sol";
@@ -19,7 +19,7 @@ struct MarketIrm {
 
 /// @title SpeedJumpIrm
 /// @author Morpho Labs
-/// @custom:contact security@morpho.xyz
+/// @custom:contact security@morpho.org
 /// @notice Interest rate model.
 contract SpeedJumpIrm is IIrm {
     using MathLib for int256;
diff --git a/src/libraries/ErrorsLib.sol b/src/libraries/ErrorsLib.sol
index 0f6c6148..612d156c 100644
--- a/src/libraries/ErrorsLib.sol
+++ b/src/libraries/ErrorsLib.sol
@@ -1,9 +1,9 @@
-// SPDX-License-Identifier: UNLICENSED
+// SPDX-License-Identifier: MIT
 pragma solidity ^0.8.0;
 
 /// @title ErrorsLib
 /// @author Morpho Labs
-/// @custom:contact security@morpho.xyz
+/// @custom:contact security@morpho.org
 /// @notice Library exposing error messages.
 library ErrorsLib {
     /// @dev Thrown when the input is too large to fit in the expected type.
diff --git a/src/libraries/MathLib.sol b/src/libraries/MathLib.sol
index f076274d..3bd37551 100644
--- a/src/libraries/MathLib.sol
+++ b/src/libraries/MathLib.sol
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: UNLICENSED
+// SPDX-License-Identifier: MIT
 pragma solidity ^0.8.0;
 
 import {ErrorsLib} from "./ErrorsLib.sol";
@@ -8,7 +8,7 @@ int256 constant WAD_INT = int256(WAD);
 
 /// @title MathLib
 /// @author Morpho Labs
-/// @custom:contact security@morpho.xyz
+/// @custom:contact security@morpho.org
 /// @notice Library to manage fixed-point arithmetic and approximate the exponential function.
 library MathLib {
     using MathLib for uint128;
diff --git a/src/libraries/UtilsLib.sol b/src/libraries/UtilsLib.sol
index 3d4f03ac..f6482664 100644
--- a/src/libraries/UtilsLib.sol
+++ b/src/libraries/UtilsLib.sol
@@ -1,9 +1,9 @@
-// SPDX-License-Identifier: UNLICENSED
+// SPDX-License-Identifier: MIT
 pragma solidity ^0.8.0;
 
 /// @title UtilsLib
 /// @author Morpho Labs
-/// @custom:contact security@morpho.xyz
+/// @custom:contact security@morpho.org
 /// @notice Library exposing helpers.
 library UtilsLib {
     /// @dev Bounds `x` between `low` and `high`.
diff --git a/test/MathLibTest.sol b/test/MathLibTest.sol
index aff12bd5..6d327ea9 100644
--- a/test/MathLibTest.sol
+++ b/test/MathLibTest.sol
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: UNLICENSED
+// SPDX-License-Identifier: MIT
 pragma solidity ^0.8.0;
 
 import {MathLib} from "../src/libraries/MathLib.sol";
diff --git a/test/SpeedJumpIrmTest.sol b/test/SpeedJumpIrmTest.sol
index 366b78d0..4810ccf3 100644
--- a/test/SpeedJumpIrmTest.sol
+++ b/test/SpeedJumpIrmTest.sol
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: UNLICENSED
+// SPDX-License-Identifier: MIT
 pragma solidity ^0.8.0;
 
 import "../src/SpeedJumpIrm.sol";
diff --git a/test/UtilsLibTest.sol b/test/UtilsLibTest.sol
index e542bb9f..a002b0e8 100644
--- a/test/UtilsLibTest.sol
+++ b/test/UtilsLibTest.sol
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: UNLICENSED
+// SPDX-License-Identifier: MIT
 pragma solidity ^0.8.0;
 
 import "../src/libraries/UtilsLib.sol";