diff --git a/package-lock.json b/package-lock.json
index b495bce..7d33235 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "MIT",
       "dependencies": {
         "@noble/secp256k1": "1.7.2",
-        "bn.js": "4.12.5",
+        "bn.js": "5.2.5",
         "bs58": "6.0.0",
         "lodash": "4.18.1",
         "zod": "4.6.5"
@@ -4395,9 +4395,9 @@
       }
     },
     "node_modules/bn.js": {
-      "version": "4.12.5",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.5.tgz",
-      "integrity": "sha512-3aRg6/JxfffFD+OlOjOFR3Vo79l39ooBTFucxx+MT3dhCtzn3EmiUPQo+6/OZuI2jbXi3YKgmiTFBgChQMwIRQ==",
+      "version": "5.2.5",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-5.2.5.tgz",
+      "integrity": "sha512-Vq886eXykuP5E6HcKSSStP3bJgrE6In5WKxVUvJ8XGpWWYs2xZHWqUwzCtGgEtBcxyd57KBFDPFoUfNzdaHCNg==",
       "license": "MIT"
     },
     "node_modules/brace-expansion": {
diff --git a/package.json b/package.json
index e28948e..fde7bdb 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
   "homepage": "https://github.com/bitpay/nodejs-bitpay-client#readme",
   "dependencies": {
     "@noble/secp256k1": "1.7.2",
-    "bn.js": "4.12.5",
+    "bn.js": "5.2.5",
     "bs58": "6.0.0",
     "lodash": "4.18.1",
     "zod": "4.6.5"