diff --git a/benchmarks/package.json b/benchmarks/package.json
index e5e5688d..b99c8a0e 100644
--- a/benchmarks/package.json
+++ b/benchmarks/package.json
@@ -15,7 +15,7 @@
     "eckey": "^0.8.0",
     "hash.js": "^0.3.2",
     "jodid25519": "git://github.com/meganz/jodid25519.git",
-    "secp256k1": "~0.0.13",
+    "secp256k1": "~5.0.1",
     "sjcl": "^1.0.1"
   }
 }
diff --git a/package-lock.json b/package-lock.json
index 880d0f34..336d6ba0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
       "version": "0.0.0",
       "license": "MIT",
       "dependencies": {
-        "bn.js": "^4.11.9",
+        "bn.js": "^5.2.3",
         "brorand": "^1.1.0",
         "hash.js": "^1.0.0",
         "hmac-drbg": "^1.0.1",
@@ -247,10 +247,9 @@
       "dev": true
     },
     "node_modules/bn.js": {
-      "version": "4.12.3",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.3.tgz",
-      "integrity": "sha512-fGTi3gxV/23FTYdAoUtLYp6qySe2KE3teyZitipKNRuVYcBkoP/bB3guXN/XVKUe9mxCHXnc9C4ocyz8OmgN0g==",
-      "license": "MIT"
+      "version": "5.2.3",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-5.2.3.tgz",
+      "integrity": "sha512-EAcmnPkxpntVL+DS7bO1zhcZNvCkxqtkd0ZY53h06GNQ3DEkkGZ/gKgmDv6DdZQGj9BgfSPKtJJ7Dp1GPP8f7w=="
     },
     "node_modules/brace-expansion": {
       "version": "1.1.15",
@@ -1859,9 +1858,9 @@
       "dev": true
     },
     "bn.js": {
-      "version": "4.12.3",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.3.tgz",
-      "integrity": "sha512-fGTi3gxV/23FTYdAoUtLYp6qySe2KE3teyZitipKNRuVYcBkoP/bB3guXN/XVKUe9mxCHXnc9C4ocyz8OmgN0g=="
+      "version": "5.2.3",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-5.2.3.tgz",
+      "integrity": "sha512-EAcmnPkxpntVL+DS7bO1zhcZNvCkxqtkd0ZY53h06GNQ3DEkkGZ/gKgmDv6DdZQGj9BgfSPKtJJ7Dp1GPP8f7w=="
     },
     "brace-expansion": {
       "version": "1.1.15",
diff --git a/package.json b/package.json
index 55ebe824..178f18cc 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "mocha": "^12.0.0-rc.1"
   },
   "dependencies": {
-    "bn.js": "^4.11.9",
+    "bn.js": "^5.2.3",
     "brorand": "^1.1.0",
     "hash.js": "^1.0.0",
     "hmac-drbg": "^1.0.1",