diff --git a/contracts/mock/SimpleNFT.sol b/contracts/mock/SimpleNFT.sol
new file mode 100644
index 0000000..2238b42
--- /dev/null
+++ b/contracts/mock/SimpleNFT.sol
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: MIT
+pragma solidity ^0.8.15;
+
+/* solhint-disable reason-string */
+
+import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
+
+// A simple ERC721 contract
+contract SimpleNFT is ERC721 {
+    uint256 public tokenId;
+
+    constructor() ERC721("SimpleNFT", "SNFT") {}
+
+    // Anyone can mint an NFT for anyone
+    function mint(address _to) public {
+        _safeMint(_to, tokenId++);
+    }
+}
\ No newline at end of file
diff --git a/lib/forge-std b/lib/forge-std
index f73c73d..267acd3 160000
--- a/lib/forge-std
+++ b/lib/forge-std
@@ -1 +1 @@
-Subproject commit f73c73d2018eb6a111f35e4dae7b4f27401e9421
+Subproject commit 267acd30a625086b3f16e1a28cfe0c5097fa46b8