diff --git a/package-lock.json b/package-lock.json
index 5cbb849..aa92fef 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -21,7 +21,7 @@
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         "rewire": "^5.0.0",
         "rsk-network-settings": "github:rsksmart/rsk-network-settings.git",
-        "sinon": "^11.1.2",
+        "sinon": "^21.0.0",
         "web3": "^1.5.2"
       }
     },
@@ -1018,39 +1018,46 @@
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-      "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-1.8.3.tgz",
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+      "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-3.0.1.tgz",
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     "node_modules/@sinonjs/fake-timers": {
-      "version": "7.1.2",
-      "resolved": "https://registry.npmjs.org/@sinonjs/fake-timers/-/fake-timers-7.1.2.tgz",
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+      "resolved": "https://registry.npmjs.org/@sinonjs/fake-timers/-/fake-timers-13.0.5.tgz",
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       "dev": true,
+      "license": "BSD-3-Clause",
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-        "@sinonjs/commons": "^1.7.0"
+        "@sinonjs/commons": "^3.0.1"
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-      "resolved": "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-6.0.2.tgz",
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+      "resolved": "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-8.0.2.tgz",
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+        "@sinonjs/commons": "^3.0.1",
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-    "node_modules/@sinonjs/text-encoding": {
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-      "resolved": "https://registry.npmjs.org/@sinonjs/text-encoding/-/text-encoding-0.7.1.tgz",
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-      "dev": true
+    "node_modules/@sinonjs/samsam/node_modules/type-detect": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.1.0.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "engines": {
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+      }
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     "node_modules/@szmarczak/http-timer": {
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@@ -4365,12 +4372,6 @@
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@@ -4598,12 +4599,6 @@
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@@ -4669,8 +4664,10 @@
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-      "integrity": "sha1-LRd/ZS+jHpObRDjVNBSZ36OCXpk=",
-      "dev": true
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+      "deprecated": "This package is deprecated. Use the optional chaining (?.) operator instead.",
+      "dev": true,
+      "license": "MIT"
     },
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@@ -5055,19 +5052,6 @@
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-      "resolved": "https://registry.npmjs.org/nise/-/nise-5.1.0.tgz",
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-        "@sinonjs/fake-timers": "^7.0.4",
-        "@sinonjs/text-encoding": "^0.7.1",
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@@ -5600,15 +5584,6 @@
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@@ -6453,16 +6428,16 @@
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-      "resolved": "https://registry.npmjs.org/sinon/-/sinon-11.1.2.tgz",
-      "integrity": "sha512-59237HChms4kg7/sXhiRcUzdSkKuydDeTiamT/jesUVHshBgL8XAmhgFo0GfK6RruMDM/iRSij1EybmMog9cJw==",
+      "version": "21.0.0",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-21.0.0.tgz",
+      "integrity": "sha512-TOgRcwFPbfGtpqvZw+hyqJDvqfapr1qUlOizROIk4bBLjlsjlB00Pg6wMFXNtJRpu+eCZuVOaLatG7M8105kAw==",
       "dev": true,
+      "license": "BSD-3-Clause",
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-        "@sinonjs/commons": "^1.8.3",
-        "@sinonjs/fake-timers": "^7.1.2",
-        "@sinonjs/samsam": "^6.0.2",
-        "diff": "^5.0.0",
-        "nise": "^5.1.0",
+        "@sinonjs/commons": "^3.0.1",
+        "@sinonjs/fake-timers": "^13.0.5",
+        "@sinonjs/samsam": "^8.0.1",
+        "diff": "^7.0.0",
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       },
       "funding": {
@@ -6470,6 +6445,16 @@
         "url": "https://opencollective.com/sinon"
       }
     },
+    "node_modules/sinon/node_modules/diff": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-7.0.0.tgz",
+      "integrity": "sha512-PJWHUb1RFevKCwaFA9RlG5tCd+FO5iRh9A8HEtkmBH2Li03iJriB6m6JIN4rGz3K3JLawI7/veA1xzRKP6ISBw==",
+      "dev": true,
+      "license": "BSD-3-Clause",
+      "engines": {
+        "node": ">=0.3.1"
+      }
+    },
     "node_modules/sinon/node_modules/supports-color": {
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@@ -8586,40 +8571,42 @@
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-      "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-1.8.3.tgz",
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+      "resolved": "https://registry.npmjs.org/@sinonjs/commons/-/commons-3.0.1.tgz",
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     "@sinonjs/fake-timers": {
-      "version": "7.1.2",
-      "resolved": "https://registry.npmjs.org/@sinonjs/fake-timers/-/fake-timers-7.1.2.tgz",
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+      "version": "13.0.5",
+      "resolved": "https://registry.npmjs.org/@sinonjs/fake-timers/-/fake-timers-13.0.5.tgz",
+      "integrity": "sha512-36/hTbH2uaWuGVERyC6da9YwGWnzUZXuPro/F2LfsdOsLnCojz/iSH8MxUt/FD2S5XBSVPhmArFUXcpCQ2Hkiw==",
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       "requires": {
-        "@sinonjs/commons": "^1.7.0"
+        "@sinonjs/commons": "^3.0.1"
       }
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     "@sinonjs/samsam": {
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-      "resolved": "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-6.0.2.tgz",
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+      "resolved": "https://registry.npmjs.org/@sinonjs/samsam/-/samsam-8.0.2.tgz",
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       "dev": true,
       "requires": {
-        "@sinonjs/commons": "^1.6.0",
+        "@sinonjs/commons": "^3.0.1",
         "lodash.get": "^4.4.2",
-        "type-detect": "^4.0.8"
+        "type-detect": "^4.1.0"
+      },
+      "dependencies": {
+        "type-detect": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.1.0.tgz",
+          "integrity": "sha512-Acylog8/luQ8L7il+geoSxhEkazvkslg7PSNKOX59mbB9cOveP5aq9h74Y7YU8yDpJwetzQQrfIwtf4Wp4LKcw==",
+          "dev": true
+        }
       }
     },
-    "@sinonjs/text-encoding": {
-      "version": "0.7.1",
-      "resolved": "https://registry.npmjs.org/@sinonjs/text-encoding/-/text-encoding-0.7.1.tgz",
-      "integrity": "sha512-+iTbntw2IZPb/anVDbypzfQa+ay64MW0Zo8aJ8gZPWMMK6/OubMVb6lUPMagqjOPnmtauXnFCACVl3O7ogjeqQ==",
-      "dev": true
-    },
     "@szmarczak/http-timer": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/@szmarczak/http-timer/-/http-timer-5.0.1.tgz",
@@ -11143,12 +11130,6 @@
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       "dev": true
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-    "isarray": {
-      "version": "0.0.1",
-      "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-      "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8=",
-      "dev": true
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       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
@@ -11335,12 +11316,6 @@
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-    "just-extend": {
-      "version": "4.2.1",
-      "resolved": "https://registry.npmjs.org/just-extend/-/just-extend-4.2.1.tgz",
-      "integrity": "sha512-g3UB796vUFIY90VIv/WX3L2c8CS2MdWUww3CNrYmqza1Fg0DURc2K/O4YrnklBdQarSJ/y8JnJYDGc+1iumQjg==",
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       "resolved": "https://registry.npmjs.org/keccak/-/keccak-3.0.2.tgz",
@@ -11393,7 +11368,7 @@
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       "resolved": "https://registry.npmjs.org/lodash.get/-/lodash.get-4.4.2.tgz",
-      "integrity": "sha1-LRd/ZS+jHpObRDjVNBSZ36OCXpk=",
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       "dev": true
     },
     "log-symbols": {
@@ -11693,19 +11668,6 @@
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       "dev": true
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-    "nise": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/nise/-/nise-5.1.0.tgz",
-      "integrity": "sha512-W5WlHu+wvo3PaKLsJJkgPup2LrsXCcm7AWwyNZkUnn5rwPkuPBi3Iwk5SQtN0mv+K65k7nKKjwNQ30wg3wLAQQ==",
-      "dev": true,
-      "requires": {
-        "@sinonjs/commons": "^1.7.0",
-        "@sinonjs/fake-timers": "^7.0.4",
-        "@sinonjs/text-encoding": "^0.7.1",
-        "just-extend": "^4.0.2",
-        "path-to-regexp": "^1.7.0"
-      }
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       "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-2.0.2.tgz",
@@ -12096,15 +12058,6 @@
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       "dev": true
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-    "path-to-regexp": {
-      "version": "1.9.0",
-      "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-1.9.0.tgz",
-      "integrity": "sha512-xIp7/apCFJuUHdDLWe8O1HIkb0kQrOMb/0u6FXQjemHn/ii5LrIzU6bdECnsiTF/GjZkMEKg1xdiZwNqDYlZ6g==",
-      "dev": true,
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       "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.1.tgz",
@@ -12760,19 +12713,24 @@
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-      "resolved": "https://registry.npmjs.org/sinon/-/sinon-11.1.2.tgz",
-      "integrity": "sha512-59237HChms4kg7/sXhiRcUzdSkKuydDeTiamT/jesUVHshBgL8XAmhgFo0GfK6RruMDM/iRSij1EybmMog9cJw==",
+      "version": "21.0.0",
+      "resolved": "https://registry.npmjs.org/sinon/-/sinon-21.0.0.tgz",
+      "integrity": "sha512-TOgRcwFPbfGtpqvZw+hyqJDvqfapr1qUlOizROIk4bBLjlsjlB00Pg6wMFXNtJRpu+eCZuVOaLatG7M8105kAw==",
       "dev": true,
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-        "@sinonjs/commons": "^1.8.3",
-        "@sinonjs/fake-timers": "^7.1.2",
-        "@sinonjs/samsam": "^6.0.2",
-        "diff": "^5.0.0",
-        "nise": "^5.1.0",
+        "@sinonjs/commons": "^3.0.1",
+        "@sinonjs/fake-timers": "^13.0.5",
+        "@sinonjs/samsam": "^8.0.1",
+        "diff": "^7.0.0",
         "supports-color": "^7.2.0"
       },
       "dependencies": {
+        "diff": {
+          "version": "7.0.0",
+          "resolved": "https://registry.npmjs.org/diff/-/diff-7.0.0.tgz",
+          "integrity": "sha512-PJWHUb1RFevKCwaFA9RlG5tCd+FO5iRh9A8HEtkmBH2Li03iJriB6m6JIN4rGz3K3JLawI7/veA1xzRKP6ISBw==",
+          "dev": true
+        },
         "supports-color": {
           "version": "7.2.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
diff --git a/package.json b/package.json
index 80b6f22..a231c84 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "nyc": "^15.1.0",
     "rewire": "^5.0.0",
     "rsk-network-settings": "github:rsksmart/rsk-network-settings.git",
-    "sinon": "^11.1.2",
+    "sinon": "^21.0.0",
     "web3": "^1.5.2"
   }
 }