diff --git a/package-lock.json b/package-lock.json
index 157cee60..71b60700 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "ISC",
       "devDependencies": {
         "@types/node": "^11.11.3",
-        "thor-devkit": "^2.0.3",
+        "thor-devkit": "^2.1.1",
         "ts-node": "^8.0.3",
         "typescript": "^3.3.3333"
       }
@@ -67,9 +67,9 @@
       }
     },
     "node_modules/blakejs": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/blakejs/-/blakejs-1.1.1.tgz",
-      "integrity": "sha512-bLG6PHOCZJKNshTjGRBvET0vTciwQE6zFKOKKXPDJfwFBd4Ac0yBfPZqcGvGJap50l7ktvlpFqc2jGVaUgbJgg==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/blakejs/-/blakejs-1.2.1.tgz",
+      "integrity": "sha512-QXUSXI3QVc/gJME0dBpXrag1kbzOqCjCX8/b54ntNyW6sjtoqxqRk3LTmXzaJoh71zMsDCjM+47jS7XiwN/+fQ==",
       "dev": true
     },
     "node_modules/bn.js": {
@@ -221,20 +221,35 @@
       }
     },
     "node_modules/thor-devkit": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/thor-devkit/-/thor-devkit-2.0.3.tgz",
-      "integrity": "sha512-KU6L48xBCnYLa01Z9PJb2Q+3Wnk5kBjD5mRgDftuOUIcDuvS9P8DNYz0VPVZMYzQuBfWz3fb6lVXoqNgLaOUow==",
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/thor-devkit/-/thor-devkit-2.1.1.tgz",
+      "integrity": "sha512-hkXCS3sUy0v6WvUBEARRRIUpVUD+0pNvYOyY05iEoyEbpTOTI1J5+h/0ixdOxM0W5lOKa55PfCtGLVOK0JaZpA==",
       "dev": true,
       "dependencies": {
         "@vechain/ethers": "^4.0.27-5",
         "bignumber.js": "^7.2.1",
-        "blakejs": "^1.1.0",
-        "elliptic": "6.5.4",
-        "fast-json-stable-stringify": "^2.0.0",
+        "blakejs": "^1.1.2",
+        "elliptic": "^6.6.1",
+        "fast-json-stable-stringify": "^2.1.0",
         "js-sha3": "0.5.7",
         "rlp": "^2.0.0"
       }
     },
+    "node_modules/thor-devkit/node_modules/elliptic": {
+      "version": "6.6.1",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.6.1.tgz",
+      "integrity": "sha512-RaddvvMatK2LJHqFJ+YA4WysVN5Ita9E35botqIYspQ4TkRAlCicdzKOjlyv/1Za5RyTNn7di//eEV0uTAfe3g==",
+      "dev": true,
+      "dependencies": {
+        "bn.js": "^4.11.9",
+        "brorand": "^1.1.0",
+        "hash.js": "^1.0.0",
+        "hmac-drbg": "^1.0.1",
+        "inherits": "^2.0.4",
+        "minimalistic-assert": "^1.0.1",
+        "minimalistic-crypto-utils": "^1.0.1"
+      }
+    },
     "node_modules/ts-node": {
       "version": "8.0.3",
       "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-8.0.3.tgz",
@@ -348,9 +363,9 @@
       "dev": true
     },
     "blakejs": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/blakejs/-/blakejs-1.1.1.tgz",
-      "integrity": "sha512-bLG6PHOCZJKNshTjGRBvET0vTciwQE6zFKOKKXPDJfwFBd4Ac0yBfPZqcGvGJap50l7ktvlpFqc2jGVaUgbJgg==",
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/blakejs/-/blakejs-1.2.1.tgz",
+      "integrity": "sha512-QXUSXI3QVc/gJME0dBpXrag1kbzOqCjCX8/b54ntNyW6sjtoqxqRk3LTmXzaJoh71zMsDCjM+47jS7XiwN/+fQ==",
       "dev": true
     },
     "bn.js": {
@@ -495,18 +510,35 @@
       }
     },
     "thor-devkit": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/thor-devkit/-/thor-devkit-2.0.3.tgz",
-      "integrity": "sha512-KU6L48xBCnYLa01Z9PJb2Q+3Wnk5kBjD5mRgDftuOUIcDuvS9P8DNYz0VPVZMYzQuBfWz3fb6lVXoqNgLaOUow==",
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/thor-devkit/-/thor-devkit-2.1.1.tgz",
+      "integrity": "sha512-hkXCS3sUy0v6WvUBEARRRIUpVUD+0pNvYOyY05iEoyEbpTOTI1J5+h/0ixdOxM0W5lOKa55PfCtGLVOK0JaZpA==",
       "dev": true,
       "requires": {
         "@vechain/ethers": "^4.0.27-5",
         "bignumber.js": "^7.2.1",
-        "blakejs": "^1.1.0",
-        "elliptic": "6.5.4",
-        "fast-json-stable-stringify": "^2.0.0",
+        "blakejs": "^1.1.2",
+        "elliptic": "^6.6.1",
+        "fast-json-stable-stringify": "^2.1.0",
         "js-sha3": "0.5.7",
         "rlp": "^2.0.0"
+      },
+      "dependencies": {
+        "elliptic": {
+          "version": "6.6.1",
+          "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.6.1.tgz",
+          "integrity": "sha512-RaddvvMatK2LJHqFJ+YA4WysVN5Ita9E35botqIYspQ4TkRAlCicdzKOjlyv/1Za5RyTNn7di//eEV0uTAfe3g==",
+          "dev": true,
+          "requires": {
+            "bn.js": "^4.11.9",
+            "brorand": "^1.1.0",
+            "hash.js": "^1.0.0",
+            "hmac-drbg": "^1.0.1",
+            "inherits": "^2.0.4",
+            "minimalistic-assert": "^1.0.1",
+            "minimalistic-crypto-utils": "^1.0.1"
+          }
+        }
       }
     },
     "ts-node": {
diff --git a/package.json b/package.json
index 91f72c77..07a849ef 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,6 @@
     "@types/node": "^11.11.3",
     "ts-node": "^8.0.3",
     "typescript": "^3.3.3333",
-    "thor-devkit": "^2.0.3"
+    "thor-devkit": "^2.1.1"
   }
 }