diff --git a/package-lock.json b/package-lock.json
index 9189fa7..73657d2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,8 +14,8 @@
         "axios": "^1.6.2",
         "debug": "^4.3.1",
         "did-resolver": "^4.1.0",
-        "ethers": "^5.7.2",
-        "ethr-did-resolver": "^8.1.2",
+        "ethers": "^6.0.0",
+        "ethr-did-resolver": "^9.0.0",
         "node-cache": "^5.1.2",
         "runtypes": "^6.3.0",
         "web-did-resolver": "^2.0.27"
@@ -58,6 +58,12 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/@adraffy/ens-normalize": {
+      "version": "1.8.9",
+      "resolved": "https://registry.npmjs.org/@adraffy/ens-normalize/-/ens-normalize-1.8.9.tgz",
+      "integrity": "sha512-93OmGCV0vO8+JQ3FHG+gZk/MPHzzMPDRiCiFcCQNTCnHaaxsacO3ScTPGlu2wX2dOtgfalbchPcw1cOYYjHCYQ==",
+      "license": "MIT"
+    },
     "node_modules/@ampproject/remapping": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/@ampproject/remapping/-/remapping-2.2.1.tgz",
@@ -2697,6 +2703,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/address": "^5.7.0",
         "@ethersproject/bignumber": "^5.7.0",
@@ -2723,6 +2730,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/bignumber": "^5.7.0",
         "@ethersproject/bytes": "^5.7.0",
@@ -2747,6 +2755,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/abstract-provider": "^5.7.0",
         "@ethersproject/bignumber": "^5.7.0",
@@ -2769,6 +2778,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/bignumber": "^5.7.0",
         "@ethersproject/bytes": "^5.7.0",
@@ -2791,6 +2801,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0"
       }
@@ -2809,6 +2820,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "@ethersproject/properties": "^5.7.0"
@@ -2828,6 +2840,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "@ethersproject/logger": "^5.7.0",
@@ -2848,6 +2861,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/logger": "^5.7.0"
       }
@@ -2866,6 +2880,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/bignumber": "^5.7.0"
       }
@@ -2884,6 +2899,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/abi": "^5.7.0",
         "@ethersproject/abstract-provider": "^5.7.0",
@@ -2911,6 +2927,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/abstract-signer": "^5.7.0",
         "@ethersproject/address": "^5.7.0",
@@ -2937,6 +2954,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/abstract-signer": "^5.7.0",
         "@ethersproject/basex": "^5.7.0",
@@ -2966,6 +2984,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/abstract-signer": "^5.7.0",
         "@ethersproject/address": "^5.7.0",
@@ -2982,6 +3001,12 @@
         "scrypt-js": "3.0.1"
       }
     },
+    "node_modules/@ethersproject/json-wallets/node_modules/aes-js": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/aes-js/-/aes-js-3.0.0.tgz",
+      "integrity": "sha512-H7wUZRn8WpTq9jocdxQ2c8x2sKo9ZVmzfRE13GiNJXfp7NcKYEdvl3vspKjXox6RIG2VtaRe4JFvxG4rqp2Zuw==",
+      "license": "MIT"
+    },
     "node_modules/@ethersproject/keccak256": {
       "version": "5.7.0",
       "resolved": "https://registry.npmjs.org/@ethersproject/keccak256/-/keccak256-5.7.0.tgz",
@@ -2996,6 +3021,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "js-sha3": "0.8.0"
@@ -3014,7 +3040,8 @@
           "type": "individual",
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
-      ]
+      ],
+      "license": "MIT"
     },
     "node_modules/@ethersproject/networks": {
       "version": "5.7.1",
@@ -3030,6 +3057,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/logger": "^5.7.0"
       }
@@ -3048,6 +3076,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "@ethersproject/sha2": "^5.7.0"
@@ -3067,6 +3096,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/logger": "^5.7.0"
       }
@@ -3085,6 +3115,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/abstract-provider": "^5.7.0",
         "@ethersproject/abstract-signer": "^5.7.0",
@@ -3122,6 +3153,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "@ethersproject/logger": "^5.7.0"
@@ -3141,6 +3173,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "@ethersproject/logger": "^5.7.0"
@@ -3160,6 +3193,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "@ethersproject/logger": "^5.7.0",
@@ -3180,6 +3214,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "@ethersproject/logger": "^5.7.0",
@@ -3203,6 +3238,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/bignumber": "^5.7.0",
         "@ethersproject/bytes": "^5.7.0",
@@ -3226,6 +3262,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "@ethersproject/constants": "^5.7.0",
@@ -3246,6 +3283,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/address": "^5.7.0",
         "@ethersproject/bignumber": "^5.7.0",
@@ -3272,6 +3310,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/bignumber": "^5.7.0",
         "@ethersproject/constants": "^5.7.0",
@@ -3292,6 +3331,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/abstract-provider": "^5.7.0",
         "@ethersproject/abstract-signer": "^5.7.0",
@@ -3324,6 +3364,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/base64": "^5.7.0",
         "@ethersproject/bytes": "^5.7.0",
@@ -3346,6 +3387,7 @@
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "@ethersproject/hash": "^5.7.0",
@@ -3403,6 +3445,54 @@
         "validator": "^13.7.0"
       }
     },
+    "node_modules/@govtechsg/open-attestation/node_modules/ethers": {
+      "version": "5.7.2",
+      "resolved": "https://registry.npmjs.org/ethers/-/ethers-5.7.2.tgz",
+      "integrity": "sha512-wswUsmWo1aOK8rR7DIKiWSw9DbLWe6x98Jrn8wcTflTVvaXhAMaB5zGAXy0GYQEQp9iO1iSHWVyARQm11zUtyg==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.buymeacoffee.com/ricmoo"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "@ethersproject/abi": "5.7.0",
+        "@ethersproject/abstract-provider": "5.7.0",
+        "@ethersproject/abstract-signer": "5.7.0",
+        "@ethersproject/address": "5.7.0",
+        "@ethersproject/base64": "5.7.0",
+        "@ethersproject/basex": "5.7.0",
+        "@ethersproject/bignumber": "5.7.0",
+        "@ethersproject/bytes": "5.7.0",
+        "@ethersproject/constants": "5.7.0",
+        "@ethersproject/contracts": "5.7.0",
+        "@ethersproject/hash": "5.7.0",
+        "@ethersproject/hdnode": "5.7.0",
+        "@ethersproject/json-wallets": "5.7.0",
+        "@ethersproject/keccak256": "5.7.0",
+        "@ethersproject/logger": "5.7.0",
+        "@ethersproject/networks": "5.7.1",
+        "@ethersproject/pbkdf2": "5.7.0",
+        "@ethersproject/properties": "5.7.0",
+        "@ethersproject/providers": "5.7.2",
+        "@ethersproject/random": "5.7.0",
+        "@ethersproject/rlp": "5.7.0",
+        "@ethersproject/sha2": "5.7.0",
+        "@ethersproject/signing-key": "5.7.0",
+        "@ethersproject/solidity": "5.7.0",
+        "@ethersproject/strings": "5.7.0",
+        "@ethersproject/transactions": "5.7.0",
+        "@ethersproject/units": "5.7.0",
+        "@ethersproject/wallet": "5.7.0",
+        "@ethersproject/web": "5.7.1",
+        "@ethersproject/wordlists": "5.7.0"
+      }
+    },
     "node_modules/@humanwhocodes/config-array": {
       "version": "0.5.0",
       "resolved": "https://registry.npmjs.org/@humanwhocodes/config-array/-/config-array-0.5.0.tgz",
@@ -3856,6 +3946,30 @@
         "strict-event-emitter": "^0.2.0"
       }
     },
+    "node_modules/@noble/hashes": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.1.2.tgz",
+      "integrity": "sha512-KYRCASVTv6aeUi1tsF8/vpyR7zpfs3FUzy2Jqm+MU+LmUKhQ0y2FpfwqkCcxSg2ua4GALJd8k2R76WxwZGbQpA==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://paulmillr.com/funding/"
+        }
+      ],
+      "license": "MIT"
+    },
+    "node_modules/@noble/secp256k1": {
+      "version": "1.6.3",
+      "resolved": "https://registry.npmjs.org/@noble/secp256k1/-/secp256k1-1.6.3.tgz",
+      "integrity": "sha512-T04e4iTurVy7I8Sw4+c5OSN9/RkPlo1uKxAomtxQNLq8j1uPAqnsqG1bqvY3Jv7c13gyr6dui0zmh/I3+f/JaQ==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://paulmillr.com/funding/"
+        }
+      ],
+      "license": "MIT"
+    },
     "node_modules/@nodelib/fs.scandir": {
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -5400,9 +5514,10 @@
       }
     },
     "node_modules/aes-js": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/aes-js/-/aes-js-3.0.0.tgz",
-      "integrity": "sha512-H7wUZRn8WpTq9jocdxQ2c8x2sKo9ZVmzfRE13GiNJXfp7NcKYEdvl3vspKjXox6RIG2VtaRe4JFvxG4rqp2Zuw=="
+      "version": "4.0.0-beta.3",
+      "resolved": "https://registry.npmjs.org/aes-js/-/aes-js-4.0.0-beta.3.tgz",
+      "integrity": "sha512-/xJX0/VTPcbc5xQE2VUP91y1xN8q/rDfhEzLm+vLc3hYvb5+qHCnpJRuFcrKn63zumK/sCwYYzhG8HP78JYSTA==",
+      "license": "MIT"
     },
     "node_modules/agent-base": {
       "version": "6.0.2",
@@ -6101,7 +6216,8 @@
     "node_modules/bech32": {
       "version": "1.1.4",
       "resolved": "https://registry.npmjs.org/bech32/-/bech32-1.1.4.tgz",
-      "integrity": "sha512-s0IrSOzLlbvX7yp4WBfPITzpAU8sqQcpsmwXDiKwrG4r491vwCO/XpejasRNl0piBMe/DvP4Tz0mIS/X1DPJBQ=="
+      "integrity": "sha512-s0IrSOzLlbvX7yp4WBfPITzpAU8sqQcpsmwXDiKwrG4r491vwCO/XpejasRNl0piBMe/DvP4Tz0mIS/X1DPJBQ==",
+      "license": "MIT"
     },
     "node_modules/before-after-hook": {
       "version": "2.2.3",
@@ -6146,7 +6262,8 @@
     "node_modules/bn.js": {
       "version": "5.2.1",
       "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-5.2.1.tgz",
-      "integrity": "sha512-eXRvHzWyYPBuB4NBy0cmYQjGitUrtqwbvlzP3G6VFnNRbsZQIxQ10PbKKHt8gZ/HW/D/747aDl+QkDqg3KQLMQ=="
+      "integrity": "sha512-eXRvHzWyYPBuB4NBy0cmYQjGitUrtqwbvlzP3G6VFnNRbsZQIxQ10PbKKHt8gZ/HW/D/747aDl+QkDqg3KQLMQ==",
+      "license": "MIT"
     },
     "node_modules/boolbase": {
       "version": "1.0.0",
@@ -6185,7 +6302,8 @@
     "node_modules/brorand": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/brorand/-/brorand-1.1.0.tgz",
-      "integrity": "sha512-cKV8tMCEpQs4hK/ik71d6LrPOnpkpGBR0wzxqr68g2m/LB2GxVYQroAjMJZRVM1Y4BCjCKc3vAamxSzOY2RP+w=="
+      "integrity": "sha512-cKV8tMCEpQs4hK/ik71d6LrPOnpkpGBR0wzxqr68g2m/LB2GxVYQroAjMJZRVM1Y4BCjCKc3vAamxSzOY2RP+w==",
+      "license": "MIT"
     },
     "node_modules/brotli-size": {
       "version": "4.0.0",
@@ -7961,6 +8079,7 @@
       "version": "6.5.4",
       "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
       "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
+      "license": "MIT",
       "dependencies": {
         "bn.js": "^4.11.9",
         "brorand": "^1.1.0",
@@ -7974,7 +8093,8 @@
     "node_modules/elliptic/node_modules/bn.js": {
       "version": "4.12.0",
       "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
-      "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA=="
+      "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
+      "license": "MIT"
     },
     "node_modules/emittery": {
       "version": "0.7.2",
@@ -8809,69 +8929,142 @@
       }
     },
     "node_modules/ethers": {
-      "version": "5.7.2",
-      "resolved": "https://registry.npmjs.org/ethers/-/ethers-5.7.2.tgz",
-      "integrity": "sha512-wswUsmWo1aOK8rR7DIKiWSw9DbLWe6x98Jrn8wcTflTVvaXhAMaB5zGAXy0GYQEQp9iO1iSHWVyARQm11zUtyg==",
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/ethers/-/ethers-6.0.0.tgz",
+      "integrity": "sha512-3zI3VqRS6ERFoRMDIaOPTlR2CFeRYLh21OgoIEL4P5thF2xleWCM6R4ks3qdPp0qYUNzkTV4F+NbczbxxD8ybQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@adraffy/ens-normalize": "1.8.9",
+        "@noble/hashes": "1.1.2",
+        "@noble/secp256k1": "1.6.3",
+        "aes-js": "4.0.0-beta.3",
+        "tslib": "2.4.0",
+        "ws": "8.5.0"
+      },
+      "engines": {
+        "node": ">=14.0.0"
+      }
+    },
+    "node_modules/ethers/node_modules/tslib": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
+      "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==",
+      "license": "0BSD"
+    },
+    "node_modules/ethers/node_modules/ws": {
+      "version": "8.5.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.5.0.tgz",
+      "integrity": "sha512-BWX0SWVgLPzYwF8lTzEy1egjhS4S4OEAHfsO8o65WOVsrnSRGaSiUaa9e0ggGlkMTtBlmOpEXiie9RUcBO86qg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": "^5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/ethr-did-resolver": {
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/ethr-did-resolver/-/ethr-did-resolver-9.0.0.tgz",
+      "integrity": "sha512-L+c3NZk4fEC+jB1WWPtlUVPZk0r1XItxP54oRLhYpRMRwpG7lPnCzKV6XjuiCTDI7bJEfzrAYYn9sbxbIwEtLA==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "did-resolver": "^4.0.1",
+        "ethers": "6.7.1"
+      }
+    },
+    "node_modules/ethr-did-resolver/node_modules/@adraffy/ens-normalize": {
+      "version": "1.9.2",
+      "resolved": "https://registry.npmjs.org/@adraffy/ens-normalize/-/ens-normalize-1.9.2.tgz",
+      "integrity": "sha512-0h+FrQDqe2Wn+IIGFkTCd4aAwTJ+7834Ek1COohCyV26AXhwQ7WQaz+4F/nLOeVl/3BtWHOHLPsq46V8YB46Eg==",
+      "license": "MIT"
+    },
+    "node_modules/ethr-did-resolver/node_modules/@noble/secp256k1": {
+      "version": "1.7.1",
+      "resolved": "https://registry.npmjs.org/@noble/secp256k1/-/secp256k1-1.7.1.tgz",
+      "integrity": "sha512-hOUk6AyBFmqVrv7k5WAw/LpszxVbj9gGN4JRkIX52fdFAj1UA61KXmZDvqVEm+pOyec3+fIeZB02LYa/pWOArw==",
       "funding": [
         {
           "type": "individual",
-          "url": "https://gitcoin.co/grants/13/ethersjs-complete-simple-and-tiny-2"
+          "url": "https://paulmillr.com/funding/"
+        }
+      ],
+      "license": "MIT"
+    },
+    "node_modules/ethr-did-resolver/node_modules/@types/node": {
+      "version": "18.15.13",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-18.15.13.tgz",
+      "integrity": "sha512-N+0kuo9KgrUQ1Sn/ifDXsvg0TTleP7rIy4zOBGECxAljqvqfqpTfzx0Q1NUedOixRMBfe2Whhb056a42cWs26Q==",
+      "license": "MIT"
+    },
+    "node_modules/ethr-did-resolver/node_modules/aes-js": {
+      "version": "4.0.0-beta.5",
+      "resolved": "https://registry.npmjs.org/aes-js/-/aes-js-4.0.0-beta.5.tgz",
+      "integrity": "sha512-G965FqalsNyrPqgEGON7nIx1e/OVENSgiEIzyC63haUMuvNnwIgIjMs52hlTCKhkBny7A2ORNlfY9Zu+jmGk1Q==",
+      "license": "MIT"
+    },
+    "node_modules/ethr-did-resolver/node_modules/ethers": {
+      "version": "6.7.1",
+      "resolved": "https://registry.npmjs.org/ethers/-/ethers-6.7.1.tgz",
+      "integrity": "sha512-qX5kxIFMfg1i+epfgb0xF4WM7IqapIIu50pOJ17aebkxxa4BacW5jFrQRmCJpDEg2ZK2oNtR5QjrQ1WDBF29dA==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://github.com/sponsors/ethers-io/"
         },
         {
           "type": "individual",
           "url": "https://www.buymeacoffee.com/ricmoo"
         }
       ],
+      "license": "MIT",
       "dependencies": {
-        "@ethersproject/abi": "5.7.0",
-        "@ethersproject/abstract-provider": "5.7.0",
-        "@ethersproject/abstract-signer": "5.7.0",
-        "@ethersproject/address": "5.7.0",
-        "@ethersproject/base64": "5.7.0",
-        "@ethersproject/basex": "5.7.0",
-        "@ethersproject/bignumber": "5.7.0",
-        "@ethersproject/bytes": "5.7.0",
-        "@ethersproject/constants": "5.7.0",
-        "@ethersproject/contracts": "5.7.0",
-        "@ethersproject/hash": "5.7.0",
-        "@ethersproject/hdnode": "5.7.0",
-        "@ethersproject/json-wallets": "5.7.0",
-        "@ethersproject/keccak256": "5.7.0",
-        "@ethersproject/logger": "5.7.0",
-        "@ethersproject/networks": "5.7.1",
-        "@ethersproject/pbkdf2": "5.7.0",
-        "@ethersproject/properties": "5.7.0",
-        "@ethersproject/providers": "5.7.2",
-        "@ethersproject/random": "5.7.0",
-        "@ethersproject/rlp": "5.7.0",
-        "@ethersproject/sha2": "5.7.0",
-        "@ethersproject/signing-key": "5.7.0",
-        "@ethersproject/solidity": "5.7.0",
-        "@ethersproject/strings": "5.7.0",
-        "@ethersproject/transactions": "5.7.0",
-        "@ethersproject/units": "5.7.0",
-        "@ethersproject/wallet": "5.7.0",
-        "@ethersproject/web": "5.7.1",
-        "@ethersproject/wordlists": "5.7.0"
+        "@adraffy/ens-normalize": "1.9.2",
+        "@noble/hashes": "1.1.2",
+        "@noble/secp256k1": "1.7.1",
+        "@types/node": "18.15.13",
+        "aes-js": "4.0.0-beta.5",
+        "tslib": "2.4.0",
+        "ws": "8.5.0"
+      },
+      "engines": {
+        "node": ">=14.0.0"
       }
     },
-    "node_modules/ethr-did-resolver": {
-      "version": "8.1.2",
-      "resolved": "https://registry.npmjs.org/ethr-did-resolver/-/ethr-did-resolver-8.1.2.tgz",
-      "integrity": "sha512-dnbE3GItE1YHp/eavR11KbGDi8Il01H9GeH+wKgoSgE95pKBZufHyHYce/EK2k8VOmj6MJf8u/TIpPvxjCbK+A==",
-      "dependencies": {
-        "@ethersproject/abi": "^5.6.3",
-        "@ethersproject/abstract-signer": "^5.6.2",
-        "@ethersproject/address": "^5.6.1",
-        "@ethersproject/basex": "^5.6.1",
-        "@ethersproject/bignumber": "^5.6.2",
-        "@ethersproject/bytes": "^5.6.1",
-        "@ethersproject/contracts": "^5.6.2",
-        "@ethersproject/keccak256": "^5.6.1",
-        "@ethersproject/providers": "^5.6.8",
-        "@ethersproject/signing-key": "^5.6.2",
-        "@ethersproject/transactions": "^5.6.2",
-        "did-resolver": "^4.0.1"
+    "node_modules/ethr-did-resolver/node_modules/tslib": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz",
+      "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==",
+      "license": "0BSD"
+    },
+    "node_modules/ethr-did-resolver/node_modules/ws": {
+      "version": "8.5.0",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-8.5.0.tgz",
+      "integrity": "sha512-BWX0SWVgLPzYwF8lTzEy1egjhS4S4OEAHfsO8o65WOVsrnSRGaSiUaa9e0ggGlkMTtBlmOpEXiie9RUcBO86qg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=10.0.0"
+      },
+      "peerDependencies": {
+        "bufferutil": "^4.0.1",
+        "utf-8-validate": "^5.0.2"
+      },
+      "peerDependenciesMeta": {
+        "bufferutil": {
+          "optional": true
+        },
+        "utf-8-validate": {
+          "optional": true
+        }
       }
     },
     "node_modules/eventemitter3": {
@@ -10192,6 +10385,7 @@
       "version": "1.1.7",
       "resolved": "https://registry.npmjs.org/hash.js/-/hash.js-1.1.7.tgz",
       "integrity": "sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==",
+      "license": "MIT",
       "dependencies": {
         "inherits": "^2.0.3",
         "minimalistic-assert": "^1.0.1"
@@ -10219,6 +10413,7 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/hmac-drbg/-/hmac-drbg-1.0.1.tgz",
       "integrity": "sha512-Tti3gMqLdZfhOQY1Mzf/AanLiqh1WTiJgEj26ZuYQ9fbkLomzGchCws4FyrSd4VkpBfiNhaE1On+lOz894jvXg==",
+      "license": "MIT",
       "dependencies": {
         "hash.js": "^1.0.3",
         "minimalistic-assert": "^1.0.0",
@@ -13440,12 +13635,14 @@
     "node_modules/minimalistic-assert": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz",
-      "integrity": "sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A=="
+      "integrity": "sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==",
+      "license": "ISC"
     },
     "node_modules/minimalistic-crypto-utils": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz",
-      "integrity": "sha512-JIYlbt6g8i5jKfJ3xz7rF0LXmv2TkDxBLUkiBeZ7bAx4GnnNMr8xFpGnOxn6GhTEHx3SjRrZEoU+j04prX1ktg=="
+      "integrity": "sha512-JIYlbt6g8i5jKfJ3xz7rF0LXmv2TkDxBLUkiBeZ7bAx4GnnNMr8xFpGnOxn6GhTEHx3SjRrZEoU+j04prX1ktg==",
+      "license": "MIT"
     },
     "node_modules/minimatch": {
       "version": "3.1.2",
@@ -19660,7 +19857,8 @@
     "node_modules/scrypt-js": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/scrypt-js/-/scrypt-js-3.0.1.tgz",
-      "integrity": "sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA=="
+      "integrity": "sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA==",
+      "license": "MIT"
     },
     "node_modules/semantic-release": {
       "version": "22.0.12",
diff --git a/package.json b/package.json
index d890863..01967fd 100644
--- a/package.json
+++ b/package.json
@@ -34,8 +34,8 @@
     "axios": "^1.6.2",
     "debug": "^4.3.1",
     "did-resolver": "^4.1.0",
-    "ethers": "^5.7.2",
-    "ethr-did-resolver": "^8.1.2",
+    "ethers": "^6.0.0",
+    "ethr-did-resolver": "^9.0.0",
     "node-cache": "^5.1.2",
     "runtypes": "^6.3.0",
     "web-did-resolver": "^2.0.27"