diff --git a/package-lock.json b/package-lock.json
index dbb75962..3e001dd3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -208,6 +208,11 @@
             "nan": "2.6.2"
           }
         },
+        "bn.js": {
+          "version": "4.11.7",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.7.tgz",
+          "integrity": "sha512-LxFiV5mefv0ley0SzqkOPR1bC4EbpPx8LkOz5vMe/Yi15t5hzwgO/G+tc7wOtL4PZTYjwHu8JnEiSLumuSjSfA=="
+        },
         "leveldown": {
           "version": "1.7.0-0",
           "resolved": "https://registry.npmjs.org/leveldown/-/leveldown-1.7.0-0.tgz",
@@ -394,9 +399,9 @@
       "integrity": "sha1-hNY7v5Fy2DA+ZMH/FuudvzOpgaM="
     },
     "bn.js": {
-      "version": "4.11.7",
-      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.7.tgz",
-      "integrity": "sha512-LxFiV5mefv0ley0SzqkOPR1bC4EbpPx8LkOz5vMe/Yi15t5hzwgO/G+tc7wOtL4PZTYjwHu8JnEiSLumuSjSfA=="
+      "version": "4.11.8",
+      "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
+      "integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA=="
     },
     "body-parser": {
       "version": "1.17.2",
@@ -936,7 +941,7 @@
       "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.0.tgz",
       "integrity": "sha1-ysmvh2LIWDYYcAPI3+GT5eLq5d8=",
       "requires": {
-        "bn.js": "4.11.7",
+        "bn.js": "4.11.8",
         "brorand": "1.1.0",
         "hash.js": "1.1.3",
         "hmac-drbg": "1.0.1",
@@ -3080,7 +3085,7 @@
       "requires": {
         "bindings": "1.2.1",
         "bip66": "1.1.5",
-        "bn.js": "4.11.7",
+        "bn.js": "4.11.8",
         "create-hash": "1.1.3",
         "drbg.js": "1.0.1",
         "elliptic": "6.4.0",
diff --git a/package.json b/package.json
index 7a78138c..20f025e0 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,7 @@
     "bitcoind-rpc": "^0.6.0",
     "bitcore-lib": "5.0.0-beta.1",
     "bitcore-p2p": "5.0.0-beta.1",
+    "bn.js": "^4.11.8",
     "body-parser": "^1.13.3",
     "colors": "^1.1.2",
     "commander": "^2.8.1",