diff --git a/apps/contracts/contracts/DeepLink.sol b/apps/contracts/contracts/DeepLink.sol
index 834a02144..5ca84eab0 100644
--- a/apps/contracts/contracts/DeepLink.sol
+++ b/apps/contracts/contracts/DeepLink.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.9;
+pragma solidity ^0.8.20;
 
 import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
 import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Burnable.sol";
@@ -8,7 +8,7 @@ import "./abstracts/Linkable.sol";
 
 /// @custom:security-contact vadim@sovereignnature.com
 contract DeepLink is ERC721, ERC721Burnable, Ownable, Linkable {
-    constructor() ERC721("DeepLink", "DLK") {}
+    constructor(address initialOwner) ERC721("DeepLink", "DLK") Ownable(initialOwner) {}
 
     function _baseURI() internal pure override returns (string memory) {
         return "https://link.sovereignnature.com/api/";
diff --git a/apps/contracts/contracts/DeepLink1155.sol b/apps/contracts/contracts/DeepLink1155.sol
index a52454a4d..bdeaf4ea1 100644
--- a/apps/contracts/contracts/DeepLink1155.sol
+++ b/apps/contracts/contracts/DeepLink1155.sol
@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: MIT
-pragma solidity ^0.8.9;
+pragma solidity ^0.8.20;
 
 import "@openzeppelin/contracts/token/ERC1155/ERC1155.sol";
 import "@openzeppelin/contracts/access/Ownable.sol";
@@ -8,7 +8,7 @@ import "./abstracts/Linkable.sol";
 
 /// @custom:security-contact vadim@sovereignnature.com
 contract DeepLink1155 is ERC1155, Ownable, ERC1155Burnable, Linkable {
-    constructor() ERC1155("https://link.sovereignnature.com/api/") {}
+    constructor(address initialOwner) ERC1155("https://link.sovereignnature.com/api/") Ownable(initialOwner) {}
 
     function setURI(string memory newuri) public onlyOwner {
         _setURI(newuri);
diff --git a/apps/contracts/hardhat.config.ts b/apps/contracts/hardhat.config.ts
index 761d141a8..40809ff70 100644
--- a/apps/contracts/hardhat.config.ts
+++ b/apps/contracts/hardhat.config.ts
@@ -8,7 +8,7 @@ import 'solidity-coverage';
 dotenv.config();
 
 const config: HardhatUserConfig = {
-  solidity: '0.8.9',
+  solidity: '0.8.20',
   networks: {
     // Moonbase Alpha network specification
     moonbase: {
diff --git a/apps/contracts/package.json b/apps/contracts/package.json
index eb9fc6aea..f798e47ac 100644
--- a/apps/contracts/package.json
+++ b/apps/contracts/package.json
@@ -17,7 +17,7 @@
   },
   "devDependencies": {
     "@nomicfoundation/hardhat-toolbox": "3.0.0",
-    "@openzeppelin/contracts": "4.9.3",
+    "@openzeppelin/contracts": "5.0.0",
     "@sni/constants": "workspace:*",
     "@web-std/fetch": "4.2.1",
     "axios": "1.5.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index a3413f50b..6d43fae53 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -54,8 +54,8 @@ importers:
         specifier: 3.0.0
         version: 3.0.0(@nomicfoundation/hardhat-chai-matchers@2.0.1)(@nomicfoundation/hardhat-ethers@3.0.4)(@nomicfoundation/hardhat-network-helpers@1.0.8)(@nomicfoundation/hardhat-verify@1.1.0)(@typechain/ethers-v6@0.4.3)(@typechain/hardhat@8.0.3)(@types/chai@4.3.5)(@types/mocha@10.0.1)(@types/node@18.17.1)(chai@4.3.10)(ethers@6.7.1)(hardhat-gas-reporter@1.0.9)(hardhat@2.18.0)(solidity-coverage@0.8.5)(ts-node@10.9.1)(typechain@8.3.1)(typescript@5.2.2)
       '@openzeppelin/contracts':
-        specifier: 4.9.3
-        version: 4.9.3
+        specifier: 5.0.0
+        version: 5.0.0
       '@sni/constants':
         specifier: workspace:*
         version: link:../../packages/constants
@@ -3713,8 +3713,8 @@ packages:
       url-join: 4.0.1
     dev: false
 
-  /@openzeppelin/contracts@4.9.3:
-    resolution: {integrity: sha512-He3LieZ1pP2TNt5JbkPA4PNT9WC3gOTOlDcFGJW4Le4QKqwmiNJCRt44APfxMxvq7OugU/cqYuPcSBzOw38DAg==}
+  /@openzeppelin/contracts@5.0.0:
+    resolution: {integrity: sha512-bv2sdS6LKqVVMLI5+zqnNrNU/CA+6z6CmwFXm/MzmOPBRSO5reEJN7z0Gbzvs0/bv/MZZXNklubpwy3v2+azsw==}
     dev: true
 
   /@peculiar/asn1-schema@2.3.6: