diff --git a/cli/package-lock.json b/cli/package-lock.json
index e2a61f5..b724d3c 100644
--- a/cli/package-lock.json
+++ b/cli/package-lock.json
@@ -22,7 +22,7 @@
                 "npmlog": "4.0.0",
                 "path": "0.12.7",
                 "run": "^1.4.0",
-                "sshpk": "1.14.1",
+                "sshpk": "^1.17.0",
                 "stringstream": "0.0.6",
                 "tough-cookie": "2.3.4",
                 "tunnel-agent": "0.6.0",
@@ -609,7 +609,6 @@
             "version": "1.0.1",
             "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.1.tgz",
             "integrity": "sha1-Y7xdy2EzG5K8Bf1SiVPDNGKgb40=",
-            "optional": true,
             "dependencies": {
                 "tweetnacl": "^0.14.3"
             }
@@ -1318,7 +1317,6 @@
             "version": "0.1.1",
             "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz",
             "integrity": "sha1-D8c6ntXw1Tw4GTOYUj735UN3dQU=",
-            "optional": true,
             "dependencies": {
                 "jsbn": "~0.1.0"
             }
@@ -3342,8 +3340,7 @@
         "node_modules/jsbn": {
             "version": "0.1.1",
             "resolved": "https://registry.npmjs.org/jsbn/-/jsbn-0.1.1.tgz",
-            "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM=",
-            "optional": true
+            "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM="
         },
         "node_modules/jsesc": {
             "version": "2.5.2",
@@ -4667,8 +4664,7 @@
         "node_modules/safer-buffer": {
             "version": "2.1.2",
             "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
-            "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
-            "dev": true
+            "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
         },
         "node_modules/semver": {
             "version": "4.3.6",
@@ -4847,14 +4843,19 @@
             "dev": true
         },
         "node_modules/sshpk": {
-            "version": "1.14.1",
-            "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.14.1.tgz",
-            "integrity": "sha1-Ew9Zde3a2WPx1W+SuaxsUfqfg+s=",
+            "version": "1.17.0",
+            "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.17.0.tgz",
+            "integrity": "sha512-/9HIEs1ZXGhSPE8X6Ccm7Nam1z8KcoCqPdI7ecm1N33EzAetWahvQWVqLZtaZQ+IDKX4IyA2o0gBzqIMkAagHQ==",
             "dependencies": {
                 "asn1": "~0.2.3",
                 "assert-plus": "^1.0.0",
+                "bcrypt-pbkdf": "^1.0.0",
                 "dashdash": "^1.12.0",
-                "getpass": "^0.1.1"
+                "ecc-jsbn": "~0.1.1",
+                "getpass": "^0.1.1",
+                "jsbn": "~0.1.0",
+                "safer-buffer": "^2.0.2",
+                "tweetnacl": "~0.14.0"
             },
             "bin": {
                 "sshpk-conv": "bin/sshpk-conv",
@@ -4863,12 +4864,6 @@
             },
             "engines": {
                 "node": ">=0.10.0"
-            },
-            "optionalDependencies": {
-                "bcrypt-pbkdf": "^1.0.0",
-                "ecc-jsbn": "~0.1.1",
-                "jsbn": "~0.1.0",
-                "tweetnacl": "~0.14.0"
             }
         },
         "node_modules/sshpk/node_modules/asn1": {
@@ -5191,8 +5186,7 @@
         "node_modules/tweetnacl": {
             "version": "0.14.5",
             "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
-            "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-            "optional": true
+            "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
         },
         "node_modules/type-check": {
             "version": "0.3.2",
@@ -5918,7 +5912,6 @@
             "version": "1.0.1",
             "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.1.tgz",
             "integrity": "sha1-Y7xdy2EzG5K8Bf1SiVPDNGKgb40=",
-            "optional": true,
             "requires": {
                 "tweetnacl": "^0.14.3"
             }
@@ -6477,7 +6470,6 @@
             "version": "0.1.1",
             "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz",
             "integrity": "sha1-D8c6ntXw1Tw4GTOYUj735UN3dQU=",
-            "optional": true,
             "requires": {
                 "jsbn": "~0.1.0"
             }
@@ -8077,8 +8069,7 @@
         "jsbn": {
             "version": "0.1.1",
             "resolved": "https://registry.npmjs.org/jsbn/-/jsbn-0.1.1.tgz",
-            "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM=",
-            "optional": true
+            "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM="
         },
         "jsesc": {
             "version": "2.5.2",
@@ -9117,8 +9108,7 @@
         "safer-buffer": {
             "version": "2.1.2",
             "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
-            "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
-            "dev": true
+            "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
         },
         "semver": {
             "version": "4.3.6",
@@ -9272,9 +9262,9 @@
             "dev": true
         },
         "sshpk": {
-            "version": "1.14.1",
-            "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.14.1.tgz",
-            "integrity": "sha1-Ew9Zde3a2WPx1W+SuaxsUfqfg+s=",
+            "version": "1.17.0",
+            "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.17.0.tgz",
+            "integrity": "sha512-/9HIEs1ZXGhSPE8X6Ccm7Nam1z8KcoCqPdI7ecm1N33EzAetWahvQWVqLZtaZQ+IDKX4IyA2o0gBzqIMkAagHQ==",
             "requires": {
                 "asn1": "~0.2.3",
                 "assert-plus": "^1.0.0",
@@ -9283,6 +9273,7 @@
                 "ecc-jsbn": "~0.1.1",
                 "getpass": "^0.1.1",
                 "jsbn": "~0.1.0",
+                "safer-buffer": "^2.0.2",
                 "tweetnacl": "~0.14.0"
             },
             "dependencies": {
@@ -9542,8 +9533,7 @@
         "tweetnacl": {
             "version": "0.14.5",
             "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
-            "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-            "optional": true
+            "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
         },
         "type-check": {
             "version": "0.3.2",
diff --git a/cli/package.json b/cli/package.json
index ed048de..2ebc865 100644
--- a/cli/package.json
+++ b/cli/package.json
@@ -44,7 +44,7 @@
         "npmlog": "4.0.0",
         "path": "0.12.7",
         "run": "^1.4.0",
-        "sshpk": "1.14.1",
+        "sshpk": "1.17.0",
         "stringstream": "0.0.6",
         "tough-cookie": "2.3.4",
         "tunnel-agent": "0.6.0",