diff --git a/package-lock.json b/package-lock.json
index 0778fd739c5..5ec570bb6b8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5504,9 +5504,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "3.4.1",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.4.1.tgz",
-      "integrity": "sha512-3NSMb2VzDQm8oBTLH6Nj55VVtUEpe/rgkIzMir0qVoLyjDZlnMBva0U6vDiV3IH+sl/Yu6oP5QwsAQtHPmDd2Q==",
+      "version": "3.4.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.4.2.tgz",
+      "integrity": "sha512-Og2Vn6Mk7JAuWA1hQdDQN/Ekm/SchX80VzLhjKN9ETYrIepBFAd8PkOdOTK2nKt0FCkmMZKBJvQ1dV1gIxPu/A==",
       "dev": true
     },
     "unc-path-regex": {
diff --git a/package.json b/package.json
index e6abd5d7941..3df6be14f68 100644
--- a/package.json
+++ b/package.json
@@ -745,7 +745,7 @@
     "prettier": "1.16.4",
     "sinon": "7.3.1",
     "tslint": "5.15.0",
-    "typescript": "3.4.1",
+    "typescript": "3.4.2",
     "vscode": "1.1.33"
   }
 }