diff --git a/package.json b/package.json
index 754cbb2..0dc13c2 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "onchange": "^5.2.0",
     "prettier": "^1.16.4",
     "ts-jest": "^24.0.1",
-    "typescript": "^3.4.1"
+    "typescript": "^3.4.2"
   },
   "dependencies": {
     "axios": "^0.18.0",
diff --git a/yarn.lock b/yarn.lock
index 76677b2..17bc43b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4289,10 +4289,10 @@ type-is@~1.6.16:
     media-typer "0.3.0"
     mime-types "~2.1.18"
 
-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==
 
 uglify-js@^3.1.4:
   version "3.5.2"