diff --git a/package-lock.json b/package-lock.json
index 3807682..66d1f9e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -306,7 +306,6 @@
       "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.1.tgz",
       "integrity": "sha1-Y7xdy2EzG5K8Bf1SiVPDNGKgb40=",
       "dev": true,
-      "optional": true,
       "requires": {
         "tweetnacl": "^0.14.3"
       }
@@ -965,7 +964,6 @@
       "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz",
       "integrity": "sha1-D8c6ntXw1Tw4GTOYUj735UN3dQU=",
       "dev": true,
-      "optional": true,
       "requires": {
         "jsbn": "~0.1.0"
       }
@@ -1550,6 +1548,7 @@
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -1568,6 +1567,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -1668,6 +1668,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -1753,7 +1754,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -1853,12 +1855,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -4144,16 +4148,6 @@
       "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=",
       "dev": true
     },
-    "jodid25519": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/jodid25519/-/jodid25519-1.0.2.tgz",
-      "integrity": "sha1-BtSRIlUJNBlHfUJWM2BuDpB4KWc=",
-      "dev": true,
-      "optional": true,
-      "requires": {
-        "jsbn": "~0.1.0"
-      }
-    },
     "jquery": {
       "version": "3.3.1",
       "resolved": "https://registry.npmjs.org/jquery/-/jquery-3.3.1.tgz",
@@ -4174,8 +4168,7 @@
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/jsbn/-/jsbn-0.1.1.tgz",
       "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM=",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "json-schema": {
       "version": "0.2.3",
@@ -6192,9 +6185,9 @@
       }
     },
     "sshpk": {
-      "version": "1.13.0",
-      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.13.0.tgz",
-      "integrity": "sha1-/yo+T9BEl1Vf7Zezmg/YL6+zozw=",
+      "version": "1.16.1",
+      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
+      "integrity": "sha512-HXXqVUq7+pcKeLqqZj6mHFUMvXtOJt1uoUx09pFW6011inTMxqI8BA8PM95myrIyyKwdnzjdFjLiE6KBPVtJIg==",
       "dev": true,
       "requires": {
         "asn1": "~0.2.3",
@@ -6203,17 +6196,9 @@
         "dashdash": "^1.12.0",
         "ecc-jsbn": "~0.1.1",
         "getpass": "^0.1.1",
-        "jodid25519": "^1.0.0",
         "jsbn": "~0.1.0",
+        "safer-buffer": "^2.0.2",
         "tweetnacl": "~0.14.0"
-      },
-      "dependencies": {
-        "assert-plus": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-          "dev": true
-        }
       }
     },
     "static-extend": {
@@ -6641,8 +6626,7 @@
       "version": "0.14.5",
       "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
       "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "ua-parser-js": {
       "version": "0.7.17",