diff --git a/package-lock.json b/package-lock.json
index d6f7cb2..07d8a02 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3063,17 +3063,24 @@
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     },
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-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.0.tgz",
-      "integrity": "sha512-eFOJTMyCYb7xtE/caJ6JJu+bhi67WCYNbkGSknu20pmM8Ke/bqOfdnZWxyoGN26JgfxTbXrsCkEw4KheCT/KGg==",
+      "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": "4.12.0",
+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+          "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA=="
+        }
       }
     },
     "emoji-regex": {
@@ -10382,27 +10389,6 @@
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       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
-    "xlsx": {
-      "version": "0.15.1",
-      "resolved": "https://registry.npmjs.org/xlsx/-/xlsx-0.15.1.tgz",
-      "integrity": "sha512-z+o4+QPMc32EPboLCzJAz94o0Zyy+8jrmWTsVpfzwknFln9qDO6/HN1KrGGVC4//sGA7dh4R3HA4fhbGIKCDOA==",
-      "requires": {
-        "adler-32": "~1.2.0",
-        "cfb": "^1.1.3",
-        "codepage": "~1.14.0",
-        "commander": "~2.17.1",
-        "crc-32": "~1.2.0",
-        "exit-on-epipe": "~1.0.1",
-        "ssf": "~0.10.2"
-      },
-      "dependencies": {
-        "commander": {
-          "version": "2.17.1",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.17.1.tgz",
-          "integrity": "sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg=="
-        }
-      }
-    },
     "xtend": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",