diff --git a/package-lock.json b/package-lock.json
index 19c94e5..e97c4f2 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -52,9 +52,12 @@
       "integrity": "sha1-5QNHYR1+aQlDIIu9r+vLwvuGbUY="
     },
     "asn1": {
-      "version": "0.2.3",
-      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.3.tgz",
-      "integrity": "sha1-2sh4dxPJlmhJ/IGAd36+nB3fO4Y="
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
+      "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
+      "requires": {
+        "safer-buffer": "~2.1.0"
+      }
     },
     "async": {
       "version": "0.9.2",
@@ -71,6 +74,14 @@
       "resolved": "https://registry.npmjs.org/basic-auth/-/basic-auth-1.1.0.tgz",
       "integrity": "sha1-RSIe5Cn37h5QNb4/UVM/HN/SmIQ="
     },
+    "bcrypt-pbkdf": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
+      "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
+      "requires": {
+        "tweetnacl": "^0.14.3"
+      }
+    },
     "blessed": {
       "version": "0.1.81",
       "resolved": "https://registry.npmjs.org/blessed/-/blessed-0.1.81.tgz",
@@ -315,6 +326,15 @@
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac="
     },
+    "cpu-features": {
+      "version": "0.0.2",
+      "resolved": "https://registry.npmjs.org/cpu-features/-/cpu-features-0.0.2.tgz",
+      "integrity": "sha512-/2yieBqvMcRj8McNzkycjW2v3OIUOibBfd2dLEJ0nWts8NobAxwiyw9phVNS6oDL8x8tz9F7uNVFEVpJncQpeA==",
+      "optional": true,
+      "requires": {
+        "nan": "^2.14.1"
+      }
+    },
     "cross-spawn": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-4.0.2.tgz",
@@ -1514,21 +1534,22 @@
       "integrity": "sha1-yd96NCRZSt5r0RkA1ZZpbcBrrFc="
     },
     "ssh2": {
-      "version": "0.5.4",
-      "resolved": "https://registry.npmjs.org/ssh2/-/ssh2-0.5.4.tgz",
-      "integrity": "sha1-G/a2soyW6u8mf01sRqWiUXpZnic=",
-      "requires": {
-        "ssh2-streams": "~0.1.15"
-      }
-    },
-    "ssh2-streams": {
-      "version": "0.1.16",
-      "resolved": "https://registry.npmjs.org/ssh2-streams/-/ssh2-streams-0.1.16.tgz",
-      "integrity": "sha1-rJ086eBi+M8I/M5bOidLbVzs3FQ=",
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/ssh2/-/ssh2-1.4.0.tgz",
+      "integrity": "sha512-XvXwcXKvS452DyQvCa6Ct+chpucwc/UyxgliYz+rWXJ3jDHdtBb9xgmxJdMmnIn5bpgGAEV3KaEsH98ZGPHqwg==",
       "requires": {
-        "asn1": "~0.2.0",
-        "semver": "^5.1.0",
-        "streamsearch": "~0.1.2"
+        "asn1": "^0.2.4",
+        "bcrypt-pbkdf": "^1.0.2",
+        "cpu-features": "0.0.2",
+        "nan": "^2.15.0"
+      },
+      "dependencies": {
+        "nan": {
+          "version": "2.15.0",
+          "resolved": "https://registry.npmjs.org/nan/-/nan-2.15.0.tgz",
+          "integrity": "sha512-8ZtvEnA2c5aYCZYd1cvgdnU6cqwixRoYg70xPLWUws5ORTa/lnw+u4amixRS/Ac5U5mQVgp9pnlSUnbNWFaWZQ==",
+          "optional": true
+        }
       }
     },
     "stack-trace": {
@@ -1646,6 +1667,11 @@
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.9.3.tgz",
       "integrity": "sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ=="
     },
+    "tweetnacl": {
+      "version": "0.14.5",
+      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
+      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
+    },
     "type-is": {
       "version": "1.6.15",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.15.tgz",
diff --git a/package.json b/package.json
index 8cfea8f..0e9149f 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "node-pty": "^0.9.0",
     "promise": "^8.0.2",
     "prompt": "^1.1.0",
-    "ssh2": "^0.5.2",
+    "ssh2": "^1.4.0",
     "sync-exec": "~0.6.x",
     "yargs": "*"
   },