diff --git a/package.json b/package.json
index 5f1d3c09..7ff4defa 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "assert-never": "^1.2.1",
     "axios": "^1.1.2",
     "basic-auth": "^2.0.0",
-    "big.js": "^5.2.2",
+    "big.js": "^6.2.1",
     "bitcore-lib": "^8.25.8",
     "bluebird": "^3.7.2",
     "body-parser": "^1.16.0",
diff --git a/yarn.lock b/yarn.lock
index 32f8e0e7..0893d1ee 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1588,10 +1588,10 @@ bech32@=1.1.3:
   resolved "https://registry.yarnpkg.com/bech32/-/bech32-1.1.3.tgz#bd47a8986bbb3eec34a56a097a84b8d3e9a2dfcd"
   integrity sha512-yuVFUvrNcoJi0sv5phmqc6P+Fl1HjRDRNOOkHY2X/3LBy2bIGNSFx4fZ95HMaXHupuS7cZR15AsvtmCIF4UEyg==
 
-big.js@^5.2.2:
-  version "5.2.2"
-  resolved "https://registry.yarnpkg.com/big.js/-/big.js-5.2.2.tgz#65f0af382f578bcdc742bd9c281e9cb2d7768328"
-  integrity sha512-vyL2OymJxmarO8gxMr0mhChsO9QGwhynfuu4+MHTAW6czfq9humCB7rKpUjDd9YUiDPU4mzpyupFSvOClAwbmQ==
+big.js@^6.2.1:
+  version "6.2.1"
+  resolved "https://registry.yarnpkg.com/big.js/-/big.js-6.2.1.tgz#7205ce763efb17c2e41f26f121c420c6a7c2744f"
+  integrity sha512-bCtHMwL9LeDIozFn+oNhhFoq+yQ3BNdnsLSASUxLciOb1vgvpHsIO1dsENiGMgbb4SkP5TrzWzRiLddn8ahVOQ==
 
 binary-extensions@^2.0.0:
   version "2.2.0"