diff --git a/package-lock.json b/package-lock.json
index 021f14a..c9144c0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1639,7 +1639,10 @@
       },
       "dependencies": {
         "graceful-fs": {
-          "version": "4.2.3"
+          "version": "4.2.3",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
+          "integrity": "sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==",
+          "dev": true
         }
       }
     },
@@ -2505,7 +2508,10 @@
           }
         },
         "graceful-fs": {
-          "version": "4.2.3"
+          "version": "4.2.3",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
+          "integrity": "sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==",
+          "dev": true
         },
         "rimraf": {
           "version": "2.7.1",
@@ -3570,7 +3576,10 @@
           }
         },
         "graceful-fs": {
-          "version": "4.2.3"
+          "version": "4.2.3",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
+          "integrity": "sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==",
+          "dev": true
         },
         "ignore": {
           "version": "5.1.8",
@@ -3777,24 +3786,30 @@
       "dev": true
     },
     "elliptic": {
-      "version": "6.5.3",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.3.tgz",
-      "integrity": "sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==",
+      "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": "4.11.9",
-          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.9.tgz",
-          "integrity": "sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw==",
+          "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
         }
       }
@@ -3991,7 +4006,9 @@
           },
           "dependencies": {
             "graceful-fs": {
-              "version": "4.2.3"
+              "version": "4.2.3",
+              "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
+              "integrity": "sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ=="
             }
           }
         },
@@ -4242,7 +4259,10 @@
       },
       "dependencies": {
         "graceful-fs": {
-          "version": "4.2.3"
+          "version": "4.2.3",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
+          "integrity": "sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==",
+          "dev": true
         }
       }
     },
@@ -5208,7 +5228,9 @@
       },
       "dependencies": {
         "graceful-fs": {
-          "version": "4.2.3"
+          "version": "4.2.3",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
+          "integrity": "sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ=="
         }
       }
     },
@@ -5233,7 +5255,10 @@
       },
       "dependencies": {
         "graceful-fs": {
-          "version": "4.2.3"
+          "version": "4.2.3",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
+          "integrity": "sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==",
+          "dev": true
         }
       }
     },
@@ -5423,10 +5448,6 @@
         "minimatch": "~3.0.2"
       }
     },
-    "graceful-fs": {
-      "dev": true,
-      "version": "4.2.3"
-    },
     "grapheme-splitter": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/grapheme-splitter/-/grapheme-splitter-1.0.4.tgz",
@@ -6590,7 +6611,9 @@
       },
       "dependencies": {
         "graceful-fs": {
-          "version": "4.2.3"
+          "version": "4.2.3",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
+          "integrity": "sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ=="
         }
       }
     },
@@ -6673,7 +6696,10 @@
       },
       "dependencies": {
         "graceful-fs": {
-          "version": "4.2.3"
+          "version": "4.2.3",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
+          "integrity": "sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==",
+          "dev": true
         },
         "pify": {
           "version": "2.3.0",
@@ -8139,7 +8165,10 @@
           },
           "dependencies": {
             "graceful-fs": {
-              "version": "4.2.3"
+              "version": "4.2.3",
+              "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
+              "integrity": "sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==",
+              "dev": true
             }
           }
         },
@@ -10058,7 +10087,10 @@
       },
       "dependencies": {
         "graceful-fs": {
-          "version": "4.2.3"
+          "version": "4.2.3",
+          "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
+          "integrity": "sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==",
+          "dev": true
         }
       }
     },
@@ -10164,7 +10196,11 @@
           },
           "dependencies": {
             "graceful-fs": {
-              "version": "4.2.3"
+              "version": "4.2.3",
+              "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
+              "integrity": "sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==",
+              "dev": true,
+              "optional": true
             }
           }
         }
@@ -10284,7 +10320,10 @@
           },
           "dependencies": {
             "graceful-fs": {
-              "version": "4.2.3"
+              "version": "4.2.3",
+              "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
+              "integrity": "sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==",
+              "dev": true
             },
             "memory-fs": {
               "version": "0.5.0",
@@ -10978,4 +11017,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}