diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index fa803e0..6e7762f 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -18,5 +18,13 @@ jobs:
           node-version: ${{ matrix.node }}
 
       - run: npm install
+        env:
+          NPM_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
       - run: npm run lint
+        env:
+          NPM_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
       - run: npm run test
+        env:
+          NPM_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.npmrc b/.npmrc
new file mode 100644
index 0000000..c01517c
--- /dev/null
+++ b/.npmrc
@@ -0,0 +1,2 @@
+//npm.pkg.github.com/:_authToken=${NPM_TOKEN}
+@eyblockchain:registry=https://npm.pkg.github.com/
diff --git a/__tests__/general-number.js b/__tests__/general-number.js
index d93802b..55925ec 100644
--- a/__tests__/general-number.js
+++ b/__tests__/general-number.js
@@ -1,4 +1,4 @@
-const { hexToBinArray, hexToBytes } = require('zkp-utils');
+const { hexToBinArray, hexToBytes } = require('@eyblockchain/zkp-utils');
 const { generalise, GN, GO, stitchLimbs } = require('../index');
 
 const dec = '17408914224622445472';
diff --git a/index.js b/index.js
index d713331..bb828a1 100644
--- a/index.js
+++ b/index.js
@@ -17,7 +17,7 @@ const {
   decToHex,
   utf8ToHex,
   asciiToHex,
-} = require('zkp-utils');
+} = require('@eyblockchain/zkp-utils');
 const { logger } = require('./logger');
 
 /**
diff --git a/package-lock.json b/package-lock.json
index cc96bda..788183d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -748,6 +748,34 @@
         "kuler": "^2.0.0"
       }
     },
+    "@eyblockchain/zkp-utils": {
+      "version": "1.0.9",
+      "resolved": "https://npm.pkg.github.com/download/@eyblockchain/zkp-utils/1.0.9/c16ee0af1b84016793498ea3a4d0494d1bf6cc9e3724fb47ba991f66da4dd1a1",
+      "integrity": "sha1-FmptTQamU3J7yMDGvfGF4qwszvE=",
+      "requires": {
+        "big-integer": "^1.6.48",
+        "keccak": "^3.0.1",
+        "winston": "^3.3.3"
+      },
+      "dependencies": {
+        "winston": {
+          "version": "3.3.3",
+          "resolved": "https://registry.npmjs.org/winston/-/winston-3.3.3.tgz",
+          "integrity": "sha512-oEXTISQnC8VlSAKf1KYSSd7J6IWuRPQqDdo8eoRNaYKLvwSb5+79Z3Yi1lrl6KDpU6/VWaxpakDAtb1oQ4n9aw==",
+          "requires": {
+            "@dabh/diagnostics": "^2.0.2",
+            "async": "^3.1.0",
+            "is-stream": "^2.0.0",
+            "logform": "^2.2.0",
+            "one-time": "^1.0.0",
+            "readable-stream": "^3.4.0",
+            "stack-trace": "0.0.x",
+            "triple-beam": "^1.3.0",
+            "winston-transport": "^4.4.0"
+          }
+        }
+      }
+    },
     "@istanbuljs/load-nyc-config": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/@istanbuljs/load-nyc-config/-/load-nyc-config-1.1.0.tgz",
@@ -1687,6 +1715,11 @@
         "tweetnacl": "^0.14.3"
       }
     },
+    "big-integer": {
+      "version": "1.6.48",
+      "resolved": "https://registry.npmjs.org/big-integer/-/big-integer-1.6.48.tgz",
+      "integrity": "sha512-j51egjPa7/i+RdiRuJbPdJ2FIUYYPhvYLjzoYbcMMm62ooO6F94fETG4MTs46zPAF9Brs04OajboA/qTGuz78w=="
+    },
     "big.js": {
       "version": "5.2.2",
       "resolved": "https://registry.npmjs.org/big.js/-/big.js-5.2.2.tgz",
@@ -6654,6 +6687,15 @@
         "object.assign": "^4.1.0"
       }
     },
+    "keccak": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/keccak/-/keccak-3.0.1.tgz",
+      "integrity": "sha512-epq90L9jlFWCW7+pQa6JOnKn2Xgl2mtI664seYR6MHskvI9agt7AnDqmAlp9TqU4/caMYbA08Hi5DMZAl5zdkA==",
+      "requires": {
+        "node-addon-api": "^2.0.0",
+        "node-gyp-build": "^4.2.0"
+      }
+    },
     "kind-of": {
       "version": "6.0.3",
       "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.3.tgz",
@@ -10340,48 +10382,6 @@
       "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
       "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==",
       "dev": true
-    },
-    "zkp-utils": {
-      "version": "1.0.7",
-      "resolved": "https://registry.npmjs.org/zkp-utils/-/zkp-utils-1.0.7.tgz",
-      "integrity": "sha512-iMvbCWP0pXEZF5OcgBu+NAGn8L+5SPI98tXxz+xEzr/4Ew+IjIt8/dbClrT+DsvvStvacjDIL8nXlCkv6Bk8TA==",
-      "requires": {
-        "big-integer": "^1.6.48",
-        "keccak": "^3.0.1",
-        "winston": "^3.3.3"
-      },
-      "dependencies": {
-        "big-integer": {
-          "version": "1.6.48",
-          "resolved": "https://registry.npmjs.org/big-integer/-/big-integer-1.6.48.tgz",
-          "integrity": "sha512-j51egjPa7/i+RdiRuJbPdJ2FIUYYPhvYLjzoYbcMMm62ooO6F94fETG4MTs46zPAF9Brs04OajboA/qTGuz78w=="
-        },
-        "keccak": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/keccak/-/keccak-3.0.1.tgz",
-          "integrity": "sha512-epq90L9jlFWCW7+pQa6JOnKn2Xgl2mtI664seYR6MHskvI9agt7AnDqmAlp9TqU4/caMYbA08Hi5DMZAl5zdkA==",
-          "requires": {
-            "node-addon-api": "^2.0.0",
-            "node-gyp-build": "^4.2.0"
-          }
-        },
-        "winston": {
-          "version": "3.3.3",
-          "resolved": "https://registry.npmjs.org/winston/-/winston-3.3.3.tgz",
-          "integrity": "sha512-oEXTISQnC8VlSAKf1KYSSd7J6IWuRPQqDdo8eoRNaYKLvwSb5+79Z3Yi1lrl6KDpU6/VWaxpakDAtb1oQ4n9aw==",
-          "requires": {
-            "@dabh/diagnostics": "^2.0.2",
-            "async": "^3.1.0",
-            "is-stream": "^2.0.0",
-            "logform": "^2.2.0",
-            "one-time": "^1.0.0",
-            "readable-stream": "^3.4.0",
-            "stack-trace": "0.0.x",
-            "triple-beam": "^1.3.0",
-            "winston-transport": "^4.4.0"
-          }
-        }
-      }
     }
   }
 }
diff --git a/package.json b/package.json
index 5380d1b..c930f27 100644
--- a/package.json
+++ b/package.json
@@ -33,8 +33,8 @@
     "prettier": "^2.0.5"
   },
   "dependencies": {
-    "winston": "^3.3.3",
-    "zkp-utils": "^1.0.7"
+    "@eyblockchain/zkp-utils": "^1.0.9",
+    "winston": "^3.3.3"
   },
   "publishConfig": {
     "registry": "https://npm.pkg.github.com"