diff --git a/package-lock.json b/package-lock.json
index 725cfa4..410773b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1231,9 +1231,9 @@
       "dev": true
     },
     "typescript": {
-      "version": "2.9.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-2.9.2.tgz",
-      "integrity": "sha512-Gr4p6nFNaoufRIY4NMdpQRNmgxVIGMs4Fcu/ujdYk3nAZqk7supzBE9idmvfZIlH/Cuj//dvi+019qEue9lV0w==",
+      "version": "3.5.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.5.2.tgz",
+      "integrity": "sha512-7KxJovlYhTX5RaRbUdkAXN1KUZ8PwWlTzQdHV6xNqvuFOs7+WBo10TQUqT19Q/Jz2hk5v9TQDIhyLhhJY4p5AA==",
       "dev": true
     },
     "uglify-js": {
diff --git a/package.json b/package.json
index be022eb..04e0cb6 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "shx": "^0.3.0",
     "ts-node": "^6.1.2",
     "typedoc": "^0.14.2",
-    "typescript": "^2.9.2"
+    "typescript": "^3.5.2"
   },
   "scripts": {
     "pretest": "npm run build",