diff --git a/package.json b/package.json
index 29caa1c..1486dcd 100644
--- a/package.json
+++ b/package.json
@@ -182,7 +182,7 @@
 		"merge2": "^1.2.3",
 		"tslint": "^5.15.0",
 		"tslint-config-fire": "^1.0.1",
-		"typescript": "^3.4.1",
+		"typescript": "^3.4.2",
 		"vscode": "^1.1.33"
 	},
 	"engines": {
diff --git a/yarn.lock b/yarn.lock
index bfa882d..933750a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2741,10 +2741,10 @@ tweetnacl@^0.14.3, tweetnacl@~0.14.0:
   resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"
   integrity sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=
 
-typescript@^3.4.1:
-  version "3.4.1"
-  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.4.1.tgz#b6691be11a881ffa9a05765a205cb7383f3b63c6"
-  integrity sha512-3NSMb2VzDQm8oBTLH6Nj55VVtUEpe/rgkIzMir0qVoLyjDZlnMBva0U6vDiV3IH+sl/Yu6oP5QwsAQtHPmDd2Q==
+typescript@^3.4.2:
+  version "3.4.2"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.4.2.tgz#9ed4e6475d906f589200193be056f5913caed481"
+  integrity sha512-Og2Vn6Mk7JAuWA1hQdDQN/Ekm/SchX80VzLhjKN9ETYrIepBFAd8PkOdOTK2nKt0FCkmMZKBJvQ1dV1gIxPu/A==
 
 unc-path-regex@^0.1.2:
   version "0.1.2"