diff --git a/foundry.toml b/foundry.toml
index 25b918f..2f59907 100644
--- a/foundry.toml
+++ b/foundry.toml
@@ -2,5 +2,8 @@
 src = "src"
 out = "out"
 libs = ["lib"]
+solc = "0.8.23"
 
 # See more config options https://github.com/foundry-rs/foundry/blob/master/crates/config/README.md#all-options
+
+
diff --git a/lib/forge-std b/lib/forge-std
index f73c73d..2f11269 160000
--- a/lib/forge-std
+++ b/lib/forge-std
@@ -1 +1 @@
-Subproject commit f73c73d2018eb6a111f35e4dae7b4f27401e9421
+Subproject commit 2f112697506eab12d433a65fdc31a639548fe365
diff --git a/lib/openzeppelin-contracts b/lib/openzeppelin-contracts
index 932fddf..6bc1173 160000
--- a/lib/openzeppelin-contracts
+++ b/lib/openzeppelin-contracts
@@ -1 +1 @@
-Subproject commit 932fddf69a699a9a80fd2396fd1a2ab91cdda123
+Subproject commit 6bc1173c8e37ca7de2201a0230bb08e395074da1
diff --git a/src/DCO2s.sol b/src/DCO2s.sol
index 99beef7..d564406 100644
--- a/src/DCO2s.sol
+++ b/src/DCO2s.sol
@@ -1,12 +1,13 @@
 // SPDX-License-Identifier: GPL-3.0
-pragma solidity ^0.8.20;
+pragma solidity ^0.8.23;
 
 import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
 import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
+import "@openzeppelin/contracts/token/ERC721/extensions/ERC721URIStorage.sol";
 import "@openzeppelin/contracts/access/AccessControl.sol";
 
 /// @custom:security-contact david@neetsec.com
-contract DCO2s is ERC721, ERC721Enumerable, AccessControl {
+contract DCO2s is ERC721, ERC721Enumerable, ERC721URIStorage, AccessControl {
     bytes32 public constant MINTER_ROLE = keccak256("MINTER_ROLE");
     uint256 private _nextTokenId;
 
@@ -19,9 +20,10 @@ contract DCO2s is ERC721, ERC721Enumerable, AccessControl {
         return "https://gateway.decentralizedscience.org/ipfs/";
     }
 
-    function safeMint(address to) public onlyRole(MINTER_ROLE) {
+    function safeMint(address to, string memory uri) public onlyRole(MINTER_ROLE) {
         uint256 tokenId = _nextTokenId++;
         _safeMint(to, tokenId);
+        _setTokenURI(tokenId, uri);
     }
 
     // The following functions are overrides required by Solidity.
@@ -41,10 +43,19 @@ contract DCO2s is ERC721, ERC721Enumerable, AccessControl {
         super._increaseBalance(account, value);
     }
 
+    function tokenURI(uint256 tokenId)
+        public
+        view
+        override(ERC721, ERC721URIStorage)
+        returns (string memory)
+    {
+        return super.tokenURI(tokenId);
+    }
+
     function supportsInterface(bytes4 interfaceId)
         public
         view
-        override(ERC721, ERC721Enumerable, AccessControl)
+        override(ERC721, ERC721Enumerable, ERC721URIStorage, AccessControl)
         returns (bool)
     {
         return super.supportsInterface(interfaceId);