diff --git a/package-lock.json b/package-lock.json
index 9e4f9ec..4defbf1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -390,6 +390,7 @@
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       "dev": true,
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@@ -537,6 +538,7 @@
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       "integrity": "sha1-u13KOCu5TwXhUZQ3PRb9O6HKEQ0=",
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@@ -1313,7 +1315,8 @@
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-      "dev": true
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@@ -1840,7 +1843,8 @@
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-      "dev": true
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@@ -2346,7 +2350,8 @@
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-      "dev": true
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@@ -2575,18 +2580,32 @@
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-      "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,
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-        "brorand": "^1.0.1",
+        "bn.js": "^4.11.9",
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-        "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"
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+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+          "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
+          "dev": true
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+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
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       "dev": true,
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@@ -3468,7 +3489,8 @@
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@@ -3489,12 +3511,14 @@
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+          "dev": true,
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@@ -3509,17 +3533,20 @@
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@@ -3636,7 +3663,8 @@
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@@ -3648,6 +3676,7 @@
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           "dev": true,
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@@ -3662,6 +3691,7 @@
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           "dev": true,
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@@ -3669,12 +3699,14 @@
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@@ -3693,6 +3725,7 @@
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           "dev": true,
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@@ -3773,7 +3806,8 @@
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@@ -3785,6 +3819,7 @@
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           "dev": true,
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@@ -3870,7 +3905,8 @@
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@@ -3906,6 +3942,7 @@
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@@ -3925,6 +3962,7 @@
           "version": "3.0.1",
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@@ -3968,12 +4006,14 @@
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@@ -4040,6 +4081,7 @@
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       "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
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@@ -4372,7 +4414,8 @@
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       "dev": true,
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@@ -4673,6 +4717,7 @@
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       "integrity": "sha1-rQFScUOi6Hc8+uapb1hla7UqNLI=",
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       "integrity": "sha1-z1mU4v0mjQD1zw+nZ6CBae2wfsA=",
       "dev": true,
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@@ -9908,7 +9974,8 @@
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