diff --git a/package.json b/package.json
index 67cd3da..e0649fe 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "herodotus-evm",
   "version": "1.0.1",
   "repository": "git@github.com:HerodotusDev/herodotus-evm.git",
-  "author": "Herodotus Ltd <hello@herodotus.dev>",
+  "author": "Herodotus Dev Ltd <hello@herodotus.dev>",
   "license": "GPL-3.0",
   "scripts": {
     "preinstall": "npx only-allow pnpm",
@@ -25,4 +25,4 @@
     "prettier": "^3.1.1",
     "prettier-plugin-solidity": "^1.2.0"
   }
-}
\ No newline at end of file
+}
diff --git a/script/Deploy_L1ToStarknetMessagesSender.s.sol b/script/Deploy_L1ToStarknetMessagesSender.s.sol
index dd58050..2d752b4 100644
--- a/script/Deploy_L1ToStarknetMessagesSender.s.sol
+++ b/script/Deploy_L1ToStarknetMessagesSender.s.sol
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: MIT
+// SPDX-License-Identifier: GPL-3.0
 pragma solidity ^0.8.0;
 
 import "forge-std/Script.sol";
diff --git a/src/core/interfaces/ISharpProofsAggregator.sol b/src/core/interfaces/ISharpProofsAggregator.sol
index d459aff..3690eb9 100644
--- a/src/core/interfaces/ISharpProofsAggregator.sol
+++ b/src/core/interfaces/ISharpProofsAggregator.sol
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: MIT
+// SPDX-License-Identifier: GPL-3.0
 pragma solidity ^0.8.19;
 
 interface ISharpProofsAggregator {
diff --git a/src/core/interfaces/ISharpProofsAggregatorsFactory.sol b/src/core/interfaces/ISharpProofsAggregatorsFactory.sol
index ba906ff..cbaa74f 100644
--- a/src/core/interfaces/ISharpProofsAggregatorsFactory.sol
+++ b/src/core/interfaces/ISharpProofsAggregatorsFactory.sol
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: MIT
+// SPDX-License-Identifier: GPL-3.0
 pragma solidity ^0.8.19;
 
 import {ISharpProofsAggregator} from "./ISharpProofsAggregator.sol";
diff --git a/src/core/x-rollup-messaging/interfaces/IZkSyncMailbox.sol b/src/core/x-rollup-messaging/interfaces/IZkSyncMailbox.sol
index 1d5ea99..84ac9d2 100644
--- a/src/core/x-rollup-messaging/interfaces/IZkSyncMailbox.sol
+++ b/src/core/x-rollup-messaging/interfaces/IZkSyncMailbox.sol
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: MIT
+// SPDX-License-Identifier: GPL-3.0
 
 pragma solidity ^0.8.19;
 
diff --git a/test/L1ToStarknetMessagesSender.t.sol b/test/L1ToStarknetMessagesSender.t.sol
index 81be70c..2471dad 100644
--- a/test/L1ToStarknetMessagesSender.t.sol
+++ b/test/L1ToStarknetMessagesSender.t.sol
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: MIT
+// SPDX-License-Identifier: GPL-3.0
 pragma solidity ^0.8.0;
 
 import "forge-std/Test.sol";
diff --git a/test/helpers/console.sol b/test/helpers/console.sol
index c8e655c..aad1934 100644
--- a/test/helpers/console.sol
+++ b/test/helpers/console.sol
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: MIT
+// SPDX-License-Identifier: GPL-3.0
 pragma solidity >=0.4.22 <0.9.0;
 
 library console {