diff --git a/web3.js/package-lock.json b/web3.js/package-lock.json
index 363fd43ef0..46505cdd9c 100644
--- a/web3.js/package-lock.json
+++ b/web3.js/package-lock.json
@@ -4727,6 +4727,14 @@
         "bn.js": "^4.0.0",
         "inherits": "^2.0.1",
         "minimalistic-assert": "^1.0.0"
+      },
+      "dependencies": {
+        "bn.js": {
+          "version": "4.11.8",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
+          "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
+          "dev": true
+        }
       }
     },
     "assert-args": {
@@ -5231,9 +5239,9 @@
       "dev": true
     },
     "bn.js": {
-      "version": "4.11.8",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
-      "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA=="
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-5.0.0.tgz",
+      "integrity": "sha512-bVwDX8AF+72fIUNuARelKAlQUNtPOfG2fRxorbVvFk4zpHbqLrPdOGfVg5vrKwVzLLePqPBiATaOZNELQzmS0A=="
     },
     "boolbase": {
       "version": "1.0.0",
@@ -5369,6 +5377,14 @@
       "requires": {
         "bn.js": "^4.1.0",
         "randombytes": "^2.0.1"
+      },
+      "dependencies": {
+        "bn.js": {
+          "version": "4.11.8",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
+          "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
+          "dev": true
+        }
       }
     },
     "browserify-sign": {
@@ -5384,6 +5400,14 @@
         "elliptic": "^6.0.0",
         "inherits": "^2.0.1",
         "parse-asn1": "^5.0.0"
+      },
+      "dependencies": {
+        "bn.js": {
+          "version": "4.11.8",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
+          "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
+          "dev": true
+        }
       }
     },
     "browserslist": {
@@ -6120,6 +6144,14 @@
       "requires": {
         "bn.js": "^4.1.0",
         "elliptic": "^6.0.0"
+      },
+      "dependencies": {
+        "bn.js": {
+          "version": "4.11.8",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
+          "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
+          "dev": true
+        }
       }
     },
     "create-hash": {
@@ -6533,6 +6565,14 @@
         "bn.js": "^4.1.0",
         "miller-rabin": "^4.0.0",
         "randombytes": "^2.0.0"
+      },
+      "dependencies": {
+        "bn.js": {
+          "version": "4.11.8",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
+          "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
+          "dev": true
+        }
       }
     },
     "dir-glob": {
@@ -6685,6 +6725,14 @@
         "inherits": "^2.0.1",
         "minimalistic-assert": "^1.0.0",
         "minimalistic-crypto-utils": "^1.0.0"
+      },
+      "dependencies": {
+        "bn.js": {
+          "version": "4.11.8",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
+          "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
+          "dev": true
+        }
       }
     },
     "emoji-regex": {
@@ -13444,6 +13492,14 @@
       "requires": {
         "bn.js": "^4.0.0",
         "brorand": "^1.0.1"
+      },
+      "dependencies": {
+        "bn.js": {
+          "version": "4.11.8",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
+          "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
+          "dev": true
+        }
       }
     },
     "mime": {
@@ -18161,6 +18217,14 @@
         "create-hash": "^1.1.0",
         "parse-asn1": "^5.0.0",
         "randombytes": "^2.0.1"
+      },
+      "dependencies": {
+        "bn.js": {
+          "version": "4.11.8",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
+          "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
+          "dev": true
+        }
       }
     },
     "pump": {
diff --git a/web3.js/package.json b/web3.js/package.json
index b816232f07..597f898db7 100644
--- a/web3.js/package.json
+++ b/web3.js/package.json
@@ -66,7 +66,7 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.3.1",
-    "bn.js": "^4.11.8",
+    "bn.js": "^5.0.0",
     "bs58": "^4.0.1",
     "buffer-layout": "^1.2.0",
     "esdoc-inject-style-plugin": "^1.0.0",