diff --git a/package-lock.json b/package-lock.json
index 3801cb2..e2c0a4f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -35,9 +35,9 @@
       "integrity": "sha1-cCvi3aazf0g2vLP121ZkG2Sh09M="
     },
     "typescript": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.0.3.tgz",
-      "integrity": "sha512-kk80vLW9iGtjMnIv11qyxLqZm20UklzuR2tL0QAnDIygIUIemcZMxlMWudl9OOt76H3ntVzcTiddQ1/pAAJMYg==",
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.4.tgz",
+      "integrity": "sha512-uauPG7XZn9F/mo+7MrsRjyvbxFpzemRjKEZXS4AK83oP2KKOJPvb+9cO/gmnv8arWZvhnjVOXz7B49m1l0e9Ew==",
       "dev": true
     }
   }
diff --git a/package.json b/package.json
index 51abc60..68910ef 100644
--- a/package.json
+++ b/package.json
@@ -37,6 +37,6 @@
   },
   "devDependencies": {
     "@types/node": "^10.9.4",
-    "typescript": "^3.0.3"
+    "typescript": "^4.3.4"
   }
 }