diff --git a/package-lock.json b/package-lock.json
index fb88b4d..4a6e87d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6217,23 +6217,28 @@
             "dev": true
         },
         "elliptic": {
-            "version": "6.5.1",
-            "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.1.tgz",
-            "integrity": "sha512-xvJINNLbTeWQjrl6X+7eQCrIy/YPv5XCpKW6kB5mKvtnGILoLDcySuwomfdzt0BMdLNVnuRNTuzKNHj0bva1Cg==",
+            "version": "6.5.4",
+            "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+            "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
             "requires": {
-                "bn.js": "^4.4.0",
-                "brorand": "^1.0.1",
+                "bn.js": "^4.11.9",
+                "brorand": "^1.1.0",
                 "hash.js": "^1.0.0",
-                "hmac-drbg": "^1.0.0",
-                "inherits": "^2.0.1",
-                "minimalistic-assert": "^1.0.0",
-                "minimalistic-crypto-utils": "^1.0.0"
+                "hmac-drbg": "^1.0.1",
+                "inherits": "^2.0.4",
+                "minimalistic-assert": "^1.0.1",
+                "minimalistic-crypto-utils": "^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=="
+                    "version": "4.12.0",
+                    "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+                    "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA=="
+                },
+                "inherits": {
+                    "version": "2.0.4",
+                    "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+                    "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
                 }
             }
         },
diff --git a/package.json b/package.json
index ae054f5..0dc5e3c 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,7 @@
         "babel-polyfill": "6.26.0",
         "bn.js": "^5.0.0",
         "crypto-js": "^3.1.9-1",
-        "elliptic": "^6.5.1",
+        "elliptic": "^6.5.4",
         "encoding": "^0.1.12",
         "ethereumjs-tx": "^2.1.1",
         "ethereumjs-util": "^6.2.0",