diff --git a/package-lock.json b/package-lock.json
index 1915c0b10..b7d2dd332 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5005,7 +5005,8 @@
     "nan": {
       "version": "2.10.0",
       "resolved": "https://registry.npmjs.org/nan/-/nan-2.10.0.tgz",
-      "integrity": "sha1-ltDNYQ69WNS03pzAxoKM2pnHVI8="
+      "integrity": "sha1-ltDNYQ69WNS03pzAxoKM2pnHVI8=",
+      "optional": true
     },
     "nanomatch": {
       "version": "1.2.9",
@@ -5120,11 +5121,18 @@
       }
     },
     "node-pty": {
-      "version": "0.7.4",
-      "resolved": "https://registry.npmjs.org/node-pty/-/node-pty-0.7.4.tgz",
-      "integrity": "sha1-BxRrK0C3bkMuV85nUL2kDw2lyZ8=",
+      "version": "0.9.0",
+      "resolved": "https://registry.npmjs.org/node-pty/-/node-pty-0.9.0.tgz",
+      "integrity": "sha512-MBnCQl83FTYOu7B4xWw10AW77AAh7ThCE1VXEv+JeWj8mSpGo+0bwgsV+b23ljBFwEM9OmsOv3kM27iUPPm84g==",
       "requires": {
-        "nan": "^2.6.2"
+        "nan": "^2.14.0"
+      },
+      "dependencies": {
+        "nan": {
+          "version": "2.14.0",
+          "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
+          "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg=="
+        }
       }
     },
     "node-version": {
diff --git a/package.json b/package.json
index c2df2d355..f93be755d 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "mode-to-permissions": "0.0.2",
     "monaco-editor": "vlad-shatskyi/monaco-editor",
     "node-ansiparser": "2.2.0",
-    "node-pty": "0.7.4",
+    "node-pty": "0.9.0",
     "react": "16.2.0",
     "react-dom": "16.2.0",
     "rxjs": "5.5.8",