diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index c904c90..9a034bb 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -829,9 +829,9 @@
       "dev": true
     },
     "bn.js": {
-      "version": "5.1.2",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-5.1.2.tgz",
-      "integrity": "sha512-40rZaf3bUNKTVYu9sIeeEGOg7g14Yvnj9kH7b50EiwX0Q7A6umbvfI5tvHaOERH0XigqKkfLkFQxzb4e6CIXnA=="
+      "version": "5.1.3",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-5.1.3.tgz",
+      "integrity": "sha512-GkTiFpjFtUzU9CbMeJ5iazkCzGL3jrhzerzZIuqLABjbwRaFt33I9tUdSNryIptM+RxDet6OKm2WnLXzW51KsQ=="
     },
     "body-parser": {
       "version": "1.19.0",
diff --git a/package.json b/package.json
index 5a10518..2eae1a5 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "request": "browser-request"
   },
   "dependencies": {
-    "bn.js": "=5.1.2",
+    "bn.js": "=5.1.3",
     "bs58": "=4.0.1",
     "buffer-compare": "=1.1.1",
     "elliptic": "=6.5.3",