diff --git a/package-lock.json b/package-lock.json
index 239c5190..317ff44b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14233,9 +14233,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "3.4.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.4.2.tgz",
-      "integrity": "sha512-Og2Vn6Mk7JAuWA1hQdDQN/Ekm/SchX80VzLhjKN9ETYrIepBFAd8PkOdOTK2nKt0FCkmMZKBJvQ1dV1gIxPu/A==",
+      "version": "3.4.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.4.3.tgz",
+      "integrity": "sha512-FFgHdPt4T/duxx6Ndf7hwgMZZjZpB+U0nMNGVCYPq0rEzWKjEDobm4J6yb3CS7naZ0yURFqdw9Gwc7UOh/P9oQ==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index 8acc728f..e69c2764 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
     "tslint-config-semistandard": "7.0.0",
     "tslint-react": "4.0.0",
     "typed-css-modules": "0.4.2",
-    "typescript": "3.4.2",
+    "typescript": "3.4.3",
     "url-loader": "1.1.2",
     "webpack": "4.28.0",
     "webpack-bundle-analyzer": "3.2.0",