diff --git a/src/TinyENS.sol b/src/TinyENS.sol
index d227512..059bfaf 100644
--- a/src/TinyENS.sol
+++ b/src/TinyENS.sol
@@ -1,5 +1,5 @@
-// SPDX-License-Identifier: UNLICENSED
-pragma solidity ^0.8.13;
+// SPDX-License-Identifier: GPL-3.0
+pragma solidity ^0.8.21;
 
 /// @notice Interface for TinyENS.
 interface ITinyENS {