diff --git a/package-lock.json b/package-lock.json
index 1f80496db0..19a81b5811 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1216,9 +1216,9 @@
       }
     },
     "typescript": {
-      "version": "3.3.4000",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.3.4000.tgz",
-      "integrity": "sha512-jjOcCZvpkl2+z7JFn0yBOoLQyLoIkNZAs/fYJkUG6VKy6zLPHJGfQJYFHzibB6GJaF/8QrcECtlQ5cpvRHSMEA==",
+      "version": "3.4.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.4.3.tgz",
+      "integrity": "sha512-FFgHdPt4T/duxx6Ndf7hwgMZZjZpB+U0nMNGVCYPq0rEzWKjEDobm4J6yb3CS7naZ0yURFqdw9Gwc7UOh/P9oQ==",
       "dev": true
     },
     "uc.micro": {
diff --git a/package.json b/package.json
index ed085505df..5b0ffeb788 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
     "mocha-junit-reporter": "~1.21.0",
     "mocha-multi-reporters": "~1.1.7",
     "tslint": "~5.14.0",
-    "typescript": "~3.3.4000",
+    "typescript": "~3.4.3",
     "vsce": "~1.59.0",
     "vscode": "~1.1.33"
   },