diff --git a/package-lock.json b/package-lock.json
index 92eeb86..6c3bd47 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3475,9 +3475,9 @@
       "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
     },
     "typescript": {
-      "version": "3.5.2",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.5.2.tgz",
-      "integrity": "sha512-7KxJovlYhTX5RaRbUdkAXN1KUZ8PwWlTzQdHV6xNqvuFOs7+WBo10TQUqT19Q/Jz2hk5v9TQDIhyLhhJY4p5AA==",
+      "version": "4.2.3",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.2.3.tgz",
+      "integrity": "sha512-qOcYwxaByStAWrBf4x0fibwZvMRG+r4cQoTjbPtUlrWjBHbmCAww1i448U0GJ+3cNNEtebDteo/cHOR3xJ4wEw==",
       "dev": true
     },
     "unbzip2-stream": {
diff --git a/package.json b/package.json
index 0c3b8c3..14e893b 100644
--- a/package.json
+++ b/package.json
@@ -53,6 +53,6 @@
     "@types/commander": "^2.12.2",
     "@types/node": "^12.0.8",
     "tslint": "^5.17.0",
-    "typescript": "^3.5.2"
+    "typescript": "^4.2.3"
   }
 }