diff --git a/package-lock.json b/package-lock.json
index 8b978e0..76e9db5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -176,6 +176,39 @@
         "solc": "^0.4.20",
         "testrpc": "0.0.1",
         "web3-utils": "^1.0.0-beta.31"
+      },
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+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-5.2.1.tgz",
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+        },
+        "ethereum-cryptography": {
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+          "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-2.1.3.tgz",
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+            "@noble/hashes": "1.3.3",
+            "@scure/bip32": "1.3.3",
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+        "web3-utils": {
+          "version": "1.10.4",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.10.4.tgz",
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+            "bn.js": "^5.2.1",
+            "ethereum-bloom-filters": "^1.0.6",
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@@ -273,6 +306,11 @@
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+      "resolved": "https://registry.npmjs.org/@ethereumjs/rlp/-/rlp-4.0.1.tgz",
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@@ -309,6 +347,29 @@
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+      "resolved": "https://registry.npmjs.org/@ethereumjs/util/-/util-8.1.0.tgz",
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+      "requires": {
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+        "ethereum-cryptography": "^2.0.0",
+        "micro-ftch": "^0.3.1"
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+          "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-2.1.3.tgz",
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+            "@noble/hashes": "1.3.3",
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@@ -896,6 +957,19 @@
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+      "resolved": "https://registry.npmjs.org/@noble/curves/-/curves-1.3.0.tgz",
+      "integrity": "sha512-t01iSXPuN+Eqzb4eBX0S5oubSqXbK/xXa1Ne18Hj8f9pStxztHCE2gfboSp/dZRLSqfuLpRK2nDXDK+W9puocA==",
+      "requires": {
+        "@noble/hashes": "1.3.3"
+      }
+    },
+    "@noble/hashes": {
+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/@noble/hashes/-/hashes-1.3.3.tgz",
+      "integrity": "sha512-V7/fPHgl+jsVPXqqeOzT8egNj2iBIVt+ECeMMG8TdcnTikP3oaBtUVqpT/gYCR68aEBJSF+XbYUxStjbFMqIIA=="
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@@ -920,9 +994,9 @@
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+      "resolved": "https://registry.npmjs.org/@openzeppelin/contracts/-/contracts-4.9.6.tgz",
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@@ -958,6 +1032,16 @@
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+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
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+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
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@@ -993,6 +1077,21 @@
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+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.5.tgz",
+          "integrity": "sha512-U0tNfB4Hep5ouzvNZ+Hr8I8kIftiHiDhwg+Eoh2Nvr5lLOPEH14B2exkRSARLXGY9xl2p3ykJWBCKoG1oCadug==",
+          "requires": {
+            "bn.js": "4.11.8",
+            "eth-lib": "0.2.7",
+            "ethereum-bloom-filters": "^1.0.6",
+            "ethjs-unit": "0.1.6",
+            "number-to-bn": "1.7.0",
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+            "underscore": "1.9.1",
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@@ -1117,6 +1216,30 @@
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+      "resolved": "https://registry.npmjs.org/@scure/base/-/base-1.1.6.tgz",
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+    },
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+      "version": "1.3.3",
+      "resolved": "https://registry.npmjs.org/@scure/bip32/-/bip32-1.3.3.tgz",
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+        "@noble/hashes": "~1.3.2",
+        "@scure/base": "~1.1.4"
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+    "@scure/bip39": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/@scure/bip39/-/bip39-1.2.2.tgz",
+      "integrity": "sha512-HYf9TUXG80beW+hGAt3TRM8wU6pQoYur9iNypTROm42dorCGmLnFe3eWjz3gOq6G62H2WRh0FCzAR1PI+29zIA==",
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+        "@scure/base": "~1.1.4"
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@@ -4055,6 +4178,33 @@
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+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
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+          "requires": {
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+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
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+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.5.tgz",
+          "integrity": "sha512-U0tNfB4Hep5ouzvNZ+Hr8I8kIftiHiDhwg+Eoh2Nvr5lLOPEH14B2exkRSARLXGY9xl2p3ykJWBCKoG1oCadug==",
+          "requires": {
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+            "eth-lib": "0.2.7",
+            "ethereum-bloom-filters": "^1.0.6",
+            "ethjs-unit": "0.1.6",
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+            "randombytes": "^2.1.0",
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@@ -4687,15 +4837,15 @@
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-        "content-type": "1.0.4",
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@@ -4959,6 +5109,11 @@
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@@ -5549,6 +5704,11 @@
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@@ -6433,6 +6593,11 @@
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@@ -10381,6 +10549,11 @@
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@@ -10860,6 +11033,11 @@
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@@ -10999,6 +11177,11 @@
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@@ -13729,6 +13912,21 @@
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@@ -14076,11 +14274,6 @@
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@@ -14841,6 +15034,33 @@
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+      },
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+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
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+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
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+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.5.tgz",
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+            "randombytes": "^2.1.0",
+            "underscore": "1.9.1",
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@@ -14872,6 +15092,33 @@
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         "web3-core-requestmanager": "1.2.5",
         "web3-utils": "1.2.5"
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+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
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+          "requires": {
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+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
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+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.5.tgz",
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+          "requires": {
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@@ -14882,6 +15129,33 @@
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         "web3-eth-iban": "1.2.5",
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+      },
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+          "requires": {
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+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
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+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.5.tgz",
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+          "requires": {
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+            "underscore": "1.9.1",
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@@ -14894,6 +15168,33 @@
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+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
+          "integrity": "sha512-VqEBQKH92jNsaE8lG9CTq8M/bc12gdAfb5MY8Ro1hVyXkh7rOtY3m5tRHK3Hus5HqIAAwU2ivcUjTLVwsvf/kw==",
+          "requires": {
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+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
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+            "ethereum-bloom-filters": "^1.0.6",
+            "ethjs-unit": "0.1.6",
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+            "underscore": "1.9.1",
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     "web3-core-promievent": {
@@ -14927,6 +15228,14 @@
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       }
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+    "web3-errors": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/web3-errors/-/web3-errors-1.1.4.tgz",
+      "integrity": "sha512-WahtszSqILez+83AxGecVroyZsMuuRT+KmQp4Si5P4Rnqbczno1k748PCrZTS1J4UCPmXMG2/Vt+0Bz2zwXkwQ==",
+      "requires": {
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       "resolved": "https://registry.npmjs.org/web3-eth/-/web3-eth-1.2.5.tgz",
@@ -14945,6 +15254,33 @@
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         "web3-net": "1.2.5",
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+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
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+            "xhr-request-promise": "^0.1.2"
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+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.5.tgz",
+          "integrity": "sha512-U0tNfB4Hep5ouzvNZ+Hr8I8kIftiHiDhwg+Eoh2Nvr5lLOPEH14B2exkRSARLXGY9xl2p3ykJWBCKoG1oCadug==",
+          "requires": {
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+            "eth-lib": "0.2.7",
+            "ethereum-bloom-filters": "^1.0.6",
+            "ethjs-unit": "0.1.6",
+            "number-to-bn": "1.7.0",
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+            "underscore": "1.9.1",
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     "web3-eth-abi": {
@@ -14955,6 +15291,33 @@
         "ethers": "4.0.0-beta.3",
         "underscore": "1.9.1",
         "web3-utils": "1.2.5"
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+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
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+        "web3-utils": {
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.5.tgz",
+          "integrity": "sha512-U0tNfB4Hep5ouzvNZ+Hr8I8kIftiHiDhwg+Eoh2Nvr5lLOPEH14B2exkRSARLXGY9xl2p3ykJWBCKoG1oCadug==",
+          "requires": {
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+            "eth-lib": "0.2.7",
+            "ethereum-bloom-filters": "^1.0.6",
+            "ethjs-unit": "0.1.6",
+            "number-to-bn": "1.7.0",
+            "randombytes": "^2.1.0",
+            "underscore": "1.9.1",
+            "utf8": "3.0.0"
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     },
     "web3-eth-accounts": {
@@ -14990,6 +15353,33 @@
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+        "web3-utils": {
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+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.5.tgz",
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+          "requires": {
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+            "eth-lib": "0.2.7",
+            "ethereum-bloom-filters": "^1.0.6",
+            "ethjs-unit": "0.1.6",
+            "number-to-bn": "1.7.0",
+            "randombytes": "^2.1.0",
+            "underscore": "1.9.1",
+            "utf8": "3.0.0"
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+          "dependencies": {
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+              "version": "0.2.7",
+              "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
+              "integrity": "sha512-VqEBQKH92jNsaE8lG9CTq8M/bc12gdAfb5MY8Ro1hVyXkh7rOtY3m5tRHK3Hus5HqIAAwU2ivcUjTLVwsvf/kw==",
+              "requires": {
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@@ -15007,6 +15397,33 @@
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         "web3-eth-abi": "1.2.5",
         "web3-utils": "1.2.5"
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+          "version": "0.2.7",
+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
+          "integrity": "sha512-VqEBQKH92jNsaE8lG9CTq8M/bc12gdAfb5MY8Ro1hVyXkh7rOtY3m5tRHK3Hus5HqIAAwU2ivcUjTLVwsvf/kw==",
+          "requires": {
+            "bn.js": "^4.11.6",
+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
+          }
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+        "web3-utils": {
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.5.tgz",
+          "integrity": "sha512-U0tNfB4Hep5ouzvNZ+Hr8I8kIftiHiDhwg+Eoh2Nvr5lLOPEH14B2exkRSARLXGY9xl2p3ykJWBCKoG1oCadug==",
+          "requires": {
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+            "eth-lib": "0.2.7",
+            "ethereum-bloom-filters": "^1.0.6",
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+            "underscore": "1.9.1",
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     },
     "web3-eth-ens": {
@@ -15022,6 +15439,33 @@
         "web3-eth-abi": "1.2.5",
         "web3-eth-contract": "1.2.5",
         "web3-utils": "1.2.5"
+      },
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+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
+          "integrity": "sha512-VqEBQKH92jNsaE8lG9CTq8M/bc12gdAfb5MY8Ro1hVyXkh7rOtY3m5tRHK3Hus5HqIAAwU2ivcUjTLVwsvf/kw==",
+          "requires": {
+            "bn.js": "^4.11.6",
+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
+          }
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+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.5.tgz",
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+          "requires": {
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+            "ethereum-bloom-filters": "^1.0.6",
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+            "randombytes": "^2.1.0",
+            "underscore": "1.9.1",
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       }
     },
     "web3-eth-iban": {
@@ -15031,6 +15475,33 @@
       "requires": {
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+      },
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+          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
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+          "requires": {
+            "bn.js": "^4.11.6",
+            "elliptic": "^6.4.0",
+            "xhr-request-promise": "^0.1.2"
+          }
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+        "web3-utils": {
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.5.tgz",
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+          "requires": {
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+            "ethereum-bloom-filters": "^1.0.6",
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+            "underscore": "1.9.1",
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     },
     "web3-eth-personal": {
@@ -15044,6 +15515,33 @@
         "web3-core-method": "1.2.5",
         "web3-net": "1.2.5",
         "web3-utils": "1.2.5"
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+          "requires": {
+            "bn.js": "^4.11.6",
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+            "xhr-request-promise": "^0.1.2"
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+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.5.tgz",
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+            "underscore": "1.9.1",
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@@ -15054,6 +15552,33 @@
         "web3-core": "1.2.5",
         "web3-core-method": "1.2.5",
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+          "requires": {
+            "bn.js": "^4.11.6",
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+            "xhr-request-promise": "^0.1.2"
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+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.5.tgz",
+          "integrity": "sha512-U0tNfB4Hep5ouzvNZ+Hr8I8kIftiHiDhwg+Eoh2Nvr5lLOPEH14B2exkRSARLXGY9xl2p3ykJWBCKoG1oCadug==",
+          "requires": {
+            "bn.js": "4.11.8",
+            "eth-lib": "0.2.7",
+            "ethereum-bloom-filters": "^1.0.6",
+            "ethjs-unit": "0.1.6",
+            "number-to-bn": "1.7.0",
+            "randombytes": "^2.1.0",
+            "underscore": "1.9.1",
+            "utf8": "3.0.0"
+          }
+        }
       }
     },
     "web3-providers-http": {
@@ -15096,29 +15621,62 @@
         "web3-net": "1.2.5"
       }
     },
+    "web3-types": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/web3-types/-/web3-types-1.5.0.tgz",
+      "integrity": "sha512-geWuMIeegQ8AedKAO6wO4G4j1gyQ1F/AyKLMw2vud4bsfZayyzWJgCMDZtjYMm5uo2a7i8j1W3/4QFmzlSy5cw=="
+    },
     "web3-utils": {
-      "version": "1.2.5",
-      "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-1.2.5.tgz",
-      "integrity": "sha512-U0tNfB4Hep5ouzvNZ+Hr8I8kIftiHiDhwg+Eoh2Nvr5lLOPEH14B2exkRSARLXGY9xl2p3ykJWBCKoG1oCadug==",
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/web3-utils/-/web3-utils-4.2.1.tgz",
+      "integrity": "sha512-Fk29BlEqD9Q9Cnw4pBkKw7czcXiRpsSco/BzEUl4ye0ZTSHANQFfjsfQmNm4t7uY11u6Ah+8F3tNjBeU4CA80A==",
       "requires": {
-        "bn.js": "4.11.8",
-        "eth-lib": "0.2.7",
-        "ethereum-bloom-filters": "1.0.6",
-        "ethjs-unit": "0.1.6",
-        "number-to-bn": "1.7.0",
-        "randombytes": "2.1.0",
-        "underscore": "1.9.1",
-        "utf8": "3.0.0"
+        "ethereum-cryptography": "^2.0.0",
+        "eventemitter3": "^5.0.1",
+        "web3-errors": "^1.1.4",
+        "web3-types": "^1.5.0",
+        "web3-validator": "^2.0.4"
       },
       "dependencies": {
-        "eth-lib": {
-          "version": "0.2.7",
-          "resolved": "https://registry.npmjs.org/eth-lib/-/eth-lib-0.2.7.tgz",
-          "integrity": "sha1-L5Pxex4jrsN1nNSj/iDBKGo/wco=",
+        "ethereum-cryptography": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-2.1.3.tgz",
+          "integrity": "sha512-BlwbIL7/P45W8FGW2r7LGuvoEZ+7PWsniMvQ4p5s2xCyw9tmaDlpfsN9HjAucbF+t/qpVHwZUisgfK24TCW8aA==",
           "requires": {
-            "bn.js": "4.11.8",
-            "elliptic": "6.5.2",
-            "xhr-request-promise": "0.1.2"
+            "@noble/curves": "1.3.0",
+            "@noble/hashes": "1.3.3",
+            "@scure/bip32": "1.3.3",
+            "@scure/bip39": "1.2.2"
+          }
+        },
+        "eventemitter3": {
+          "version": "5.0.1",
+          "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-5.0.1.tgz",
+          "integrity": "sha512-GWkBvjiSZK87ELrYOSESUYeVIc9mvLLf/nXalMOS5dYrgZq9o5OVkbZAVM06CVxYsCwH9BDZFPlQTlPA1j4ahA=="
+        }
+      }
+    },
+    "web3-validator": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/web3-validator/-/web3-validator-2.0.5.tgz",
+      "integrity": "sha512-2gLOSW8XqEN5pw5jVUm20EB7A8SbQiekpAtiI0JBmCIV0a2rp97v8FgWY5E3UEqnw5WFfEqvcDVW92EyynDTyQ==",
+      "requires": {
+        "ethereum-cryptography": "^2.0.0",
+        "util": "^0.12.5",
+        "web3-errors": "^1.1.4",
+        "web3-types": "^1.5.0",
+        "zod": "^3.21.4"
+      },
+      "dependencies": {
+        "ethereum-cryptography": {
+          "version": "2.1.3",
+          "resolved": "https://registry.npmjs.org/ethereum-cryptography/-/ethereum-cryptography-2.1.3.tgz",
+          "integrity": "sha512-BlwbIL7/P45W8FGW2r7LGuvoEZ+7PWsniMvQ4p5s2xCyw9tmaDlpfsN9HjAucbF+t/qpVHwZUisgfK24TCW8aA==",
+          "requires": {
+            "@noble/curves": "1.3.0",
+            "@noble/hashes": "1.3.3",
+            "@scure/bip32": "1.3.3",
+            "@scure/bip39": "1.2.2"
           }
         }
       }
@@ -15273,6 +15831,11 @@
         "mkdirp": "0.5.1"
       },
       "dependencies": {
+        "minimist": {
+          "version": "0.0.8",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+          "integrity": "sha512-miQKw5Hv4NS1Psg2517mV4e4dYNaO3++hjAvLOAzKqZ61rH8NS1SK+vbfBWZ5PY/Me/bEWhUwqMghEW5Fb9T7Q=="
+        },
         "mkdirp": {
           "version": "0.5.1",
           "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
@@ -15512,6 +16075,11 @@
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
       "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q=="
+    },
+    "zod": {
+      "version": "3.22.4",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-3.22.4.tgz",
+      "integrity": "sha512-iC+8Io04lddc+mVqQ9AZ7OQ2MrUKGN+oIQyq1vemgt46jwCwLfhq7/pwnBnNXXXZb8VTVLKwp9EDkx+ryxIWmg=="
     }
   }
 }
diff --git a/package.json b/package.json
index c001945..6a4c13c 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
   },
   "homepage": "https://github.com/quantstamp/stormx-token#readme",
   "dependencies": {
-    "@openzeppelin/contracts": "2.5.0",
+    "@openzeppelin/contracts": "4.9.6",
     "@openzeppelin/gsn-helpers": "0.2.3",
     "@openzeppelin/gsn-provider": "0.1.9",
     "coveralls": "3.0.0",
@@ -36,7 +36,7 @@
     "truffle-hdwallet-provider": "1.0.17",
     "truffle": "5.9.0",
     "web3": "1.2.5",
-    "web3-utils": "1.2.5"
+    "web3-utils": "4.2.1"
   },
   "devDependencies": {
     "solhint": "1.4.0"