diff --git a/packages/zilliqa-js-core/package.json b/packages/zilliqa-js-core/package.json
index ccc2a3e8..0c967e84 100644
--- a/packages/zilliqa-js-core/package.json
+++ b/packages/zilliqa-js-core/package.json
@@ -24,7 +24,7 @@
     "clean": "rimraf ./dist ./tsconfig.tsbuildinfo"
   },
   "dependencies": {
-    "cross-fetch": "2.2.5",
+    "cross-fetch": "3.1.5",
     "mitt": "^1.1.3",
     "tslib": "2.3.1"
   },
diff --git a/yarn.lock b/yarn.lock
index 971b0848..21299f72 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3543,20 +3543,12 @@ create-hmac@^1.1.0, create-hmac@^1.1.4, create-hmac@^1.1.7:
     safe-buffer "^5.0.1"
     sha.js "^2.4.8"
 
-cross-fetch@2.2.5:
-  version "2.2.5"
-  resolved "https://registry.npmjs.org/cross-fetch/-/cross-fetch-2.2.5.tgz#afaf5729f3b6c78d89c9296115c9f142541a5705"
-  integrity sha512-xqYAhQb4NhCJSRym03dwxpP1bYXpK3y7UN83Bo2WFi3x1Zmzn0SL/6xGoPr+gpt4WmNrgCCX3HPysvOwFOW36w==
-  dependencies:
-    node-fetch "2.6.1"
-    whatwg-fetch "2.0.4"
-
-cross-fetch@^3.0.4:
-  version "3.1.4"
-  resolved "https://registry.npmjs.org/cross-fetch/-/cross-fetch-3.1.4.tgz#9723f3a3a247bf8b89039f3a380a9244e8fa2f39"
-  integrity sha512-1eAtFWdIubi6T4XPy6ei9iUFoKpUkIF971QLN8lIvvvwueI65+Nw5haMNKUwfJxabqlIIDODJKGrQ66gxC0PbQ==
+cross-fetch@3.1.5, cross-fetch@^3.0.4:
+  version "3.1.5"
+  resolved "https://registry.npmjs.org/cross-fetch/-/cross-fetch-3.1.5.tgz#e1389f44d9e7ba767907f7af8454787952ab534f"
+  integrity sha512-lvb1SBsI0Z7GDwmuid+mU3kWVBwTVUbe7S0H52yaaAdQOXq2YktTCZdlAcNKFzE6QtRz0snpw9bNiPeOIkkQvw==
   dependencies:
-    node-fetch "2.6.1"
+    node-fetch "2.6.7"
 
 cross-spawn@^5.0.1:
   version "5.1.0"
@@ -7160,15 +7152,10 @@ next-tick@~1.0.0:
   resolved "https://registry.npmjs.org/next-tick/-/next-tick-1.0.0.tgz#ca86d1fe8828169b0120208e3dc8424b9db8342c"
   integrity sha1-yobR/ogoFpsBICCOPchCS524NCw=
 
-node-fetch@2.6.1:
-  version "2.6.1"
-  resolved "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.1.tgz#045bd323631f76ed2e2b55573394416b639a0052"
-  integrity sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw==
-
-node-fetch@^2.6.1:
-  version "2.6.5"
-  resolved "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.5.tgz#42735537d7f080a7e5f78b6c549b7146be1742fd"
-  integrity sha512-mmlIVHJEu5rnIxgEgez6b9GgWXbkZj5YZ7fx+2r94a2E+Uirsp6HsPTPlomfdHtpt/B0cdKviwkoaM6pyvUOpQ==
+node-fetch@2.6.7, node-fetch@^2.6.1:
+  version "2.6.7"
+  resolved "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.7.tgz#24de9fba827e3b4ae44dc8b20256a379160052ad"
+  integrity sha512-ZjMPFEfVx5j+y2yF35Kzx5sF7kDzxuDj6ziH4FFbOp87zKDZNx8yExJIb05OGF4Nlt9IHFIMBkRl41VdvcNdbQ==
   dependencies:
     whatwg-url "^5.0.0"
 
@@ -10263,11 +10250,6 @@ whatwg-encoding@^1.0.5:
   dependencies:
     iconv-lite "0.4.24"
 
-whatwg-fetch@2.0.4:
-  version "2.0.4"
-  resolved "https://registry.npmjs.org/whatwg-fetch/-/whatwg-fetch-2.0.4.tgz#dde6a5df315f9d39991aa17621853d720b85566f"
-  integrity sha512-dcQ1GWpOD/eEQ97k66aiEVpNnapVj90/+R+SXTPYGHpYBBypfKJEQjLrvMZ7YXbKm21gXd4NcuxUTjiv1YtLng==
-
 whatwg-mimetype@^2.3.0:
   version "2.3.0"
   resolved "https://registry.npmjs.org/whatwg-mimetype/-/whatwg-mimetype-2.3.0.tgz#3d4b1e0312d2079879f826aff18dbeeca5960fbf"