diff --git a/package-lock.json b/package-lock.json
index f0225d2..ccfd03b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4401,7 +4401,6 @@
         "bcrypt-pbkdf": {
           "version": "1.0.1",
           "bundled": true,
-          "optional": true,
           "requires": {
             "tweetnacl": "0.14.5"
           }
@@ -4509,7 +4508,6 @@
         "ecc-jsbn": {
           "version": "0.1.1",
           "bundled": true,
-          "optional": true,
           "requires": {
             "jsbn": "0.1.1"
           }
@@ -4636,8 +4634,7 @@
           "bundled": true,
           "requires": {
             "assert-plus": "0.2.0",
-            "jsprim": "1.4.0",
-            "sshpk": "1.13.0"
+            "jsprim": "1.4.0"
           }
         },
         "inflight": {
@@ -4678,7 +4675,6 @@
         "jodid25519": {
           "version": "1.0.2",
           "bundled": true,
-          "optional": true,
           "requires": {
             "jsbn": "0.1.1"
           }
@@ -4916,27 +4912,6 @@
             "hoek": "2.16.3"
           }
         },
-        "sshpk": {
-          "version": "1.13.0",
-          "bundled": true,
-          "requires": {
-            "asn1": "0.2.3",
-            "assert-plus": "1.0.0",
-            "bcrypt-pbkdf": "1.0.1",
-            "dashdash": "1.14.1",
-            "ecc-jsbn": "0.1.1",
-            "getpass": "0.1.7",
-            "jodid25519": "1.0.2",
-            "jsbn": "0.1.1",
-            "tweetnacl": "0.14.5"
-          },
-          "dependencies": {
-            "assert-plus": {
-              "version": "1.0.0",
-              "bundled": true
-            }
-          }
-        },
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
@@ -8024,6 +7999,7 @@
       "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.2.4.tgz",
       "integrity": "sha512-hzXIWWet/BzWhYs2b+u7dRHlruXhwdgvlTMDKC6Cb1U7ps6Ac6yQlR39xsbjWJE377YTCtKwIXIpJ5oP+j5y8g==",
       "dev": true,
+      "optional": true,
       "requires": {
         "safe-buffer": "5.1.1",
         "yallist": "3.0.2"
@@ -8033,7 +8009,8 @@
           "version": "3.0.2",
           "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.0.2.tgz",
           "integrity": "sha1-hFK0u36Dx8GI2AQcGoN8dz1ti7k=",
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -12906,14 +12883,14 @@
       "integrity": "sha1-Ew9Zde3a2WPx1W+SuaxsUfqfg+s=",
       "dev": true,
       "requires": {
-        "asn1": "0.2.3",
-        "assert-plus": "1.0.0",
-        "bcrypt-pbkdf": "1.0.1",
-        "dashdash": "1.14.1",
-        "ecc-jsbn": "0.1.1",
-        "getpass": "0.1.7",
-        "jsbn": "0.1.1",
-        "tweetnacl": "0.14.5"
+        "asn1": "~0.2.3",
+        "assert-plus": "^1.0.0",
+        "bcrypt-pbkdf": "^1.0.0",
+        "dashdash": "^1.12.0",
+        "ecc-jsbn": "~0.1.1",
+        "getpass": "^0.1.1",
+        "jsbn": "~0.1.0",
+        "tweetnacl": "~0.14.0"
       }
     },
     "ssri": {