diff --git a/package-lock.json b/package-lock.json
index 95fce15..ffcff18 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -554,7 +554,7 @@
             "dependencies": {
                 "convert-source-map": {
                     "version": "1.1.3",
-                    "resolved": "http://registry.npmjs.org/convert-source-map/-/convert-source-map-1.1.3.tgz",
+                    "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.1.3.tgz",
                     "integrity": "sha1-SCnId+n+SbMWHzvzZziI4gRpmGA=",
                     "dev": true
                 }
@@ -745,7 +745,7 @@
             "dependencies": {
                 "minimist": {
                     "version": "1.2.0",
-                    "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+                    "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
                     "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
                     "dev": true
                 }
@@ -802,9 +802,9 @@
             }
         },
         "elliptic": {
-            "version": "6.5.1",
-            "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.1.tgz",
-            "integrity": "sha512-xvJINNLbTeWQjrl6X+7eQCrIy/YPv5XCpKW6kB5mKvtnGILoLDcySuwomfdzt0BMdLNVnuRNTuzKNHj0bva1Cg==",
+            "version": "6.5.3",
+            "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.3.tgz",
+            "integrity": "sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==",
             "dev": true,
             "requires": {
                 "bn.js": "^4.4.0",
@@ -1350,7 +1350,7 @@
         },
         "minimist": {
             "version": "0.0.8",
-            "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+            "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
             "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
         },
         "mkdirp": {
@@ -1810,7 +1810,7 @@
         },
         "readable-stream": {
             "version": "2.3.6",
-            "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+            "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
             "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
             "dev": true,
             "requires": {
@@ -2116,7 +2116,7 @@
             "dependencies": {
                 "minimist": {
                     "version": "1.2.0",
-                    "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+                    "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
                     "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
                     "dev": true
                 }
@@ -2379,7 +2379,7 @@
         },
         "yargs": {
             "version": "3.10.0",
-            "resolved": "http://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+            "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
             "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
             "dev": true,
             "requires": {