diff --git a/packages/core/package.json b/packages/core/package.json
index edc88b577..94aea9631 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -66,7 +66,7 @@
     "cbor": "^10.0.0",
     "chalk": "^4.1.0",
     "compare-versions": "^6.0.0",
-    "bignumber.js": "^9.1.2",
+    "bignumber.js": "^11.0.0",
     "debug": "^4.1.1",
     "ethereumjs-util": "^7.0.3",
     "minimist": "^1.2.7",
diff --git a/yarn.lock b/yarn.lock
index b56acf303..44bcdc66f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2963,10 +2963,10 @@ better-path-resolve@1.0.0:
   dependencies:
     is-windows "^1.0.0"
 
-bignumber.js@^9.1.2:
-  version "9.1.2"
-  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-9.1.2.tgz#b7c4242259c008903b13707983b5f4bbd31eda0c"
-  integrity sha512-2/mKyZH9K85bzOEfhXDBFZTGd1CTs+5IHpeFQo9luiBG7hghdC851Pj2WAhb6E3R6b9tZj/XKhbg4fum+Kepug==
+bignumber.js@^11.0.0:
+  version "11.1.5"
+  resolved "https://registry.yarnpkg.com/bignumber.js/-/bignumber.js-11.1.5.tgz#0f678769f989e6947138d16adaaaa475a9b0bc65"
+  integrity sha512-6WmzCNtUnfKpbozq+hOgWaZMMzORmYBwF1xZScyoIX3QRYWeKTtxxwDOW5tIz7C9BdjkIYHGTcelCLkXg0mndw==
 
 binary-extensions@^2.0.0:
   version "2.3.0"