diff --git a/package.json b/package.json
index 9a682ed..5402fad 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "prettier": "1.16.4",
     "tslint": "5.15.0",
     "tslint-plugin-prettier": "2.0.1",
-    "typescript": "3.4.2"
+    "typescript": "3.4.3"
   },
   "engines": {
     "node": ">= 8"
diff --git a/yarn.lock b/yarn.lock
index b20b0d7..db6cf22 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3858,10 +3858,10 @@ type-detect@^4.0.0, type-detect@^4.0.5:
   resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.8.tgz#7646fb5f18871cfbb7749e69bd39a6388eb7450c"
   integrity sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==
 
-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==
+typescript@3.4.3:
+  version "3.4.3"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.4.3.tgz#0eb320e4ace9b10eadf5bc6103286b0f8b7c224f"
+  integrity sha512-FFgHdPt4T/duxx6Ndf7hwgMZZjZpB+U0nMNGVCYPq0rEzWKjEDobm4J6yb3CS7naZ0yURFqdw9Gwc7UOh/P9oQ==
 
 uglify-js@^3.1.4:
   version "3.5.3"