diff --git a/package-lock.json b/package-lock.json
index efd3a84..5c93367 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1239,18 +1239,38 @@
             "dev": true
         },
         "elliptic": {
-            "version": "6.4.0",
-            "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.0.tgz",
-            "integrity": "sha1-ysmvh2LIWDYYcAPI3+GT5eLq5d8=",
+            "version": "6.5.4",
+            "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+            "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
             "dev": true,
             "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": "4.12.0",
+                    "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+                    "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
+                    "dev": true
+                },
+                "inherits": {
+                    "version": "2.0.4",
+                    "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+                    "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+                    "dev": true
+                },
+                "minimalistic-assert": {
+                    "version": "1.0.1",
+                    "resolved": "https://registry.npmjs.org/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz",
+                    "integrity": "sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==",
+                    "dev": true
+                }
             }
         },
         "error-ex": {